6.4
MEDIUM
CVE-2009-1956
Apache APR-util Integer Overflow Deserialization Vulnerability
Description

Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a denial of service (application crash) via crafted input.

INFO

Published Date :

June 8, 2009, 1 a.m.

Last Modified :

Nov. 7, 2023, 2:04 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.9

Exploitability Score :

10.0
Public PoC/Exploit Available at Github

CVE-2009-1956 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2009-1956 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache http_server
2 Apache apr-util
1 Canonical ubuntu_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2009-1956.

URL Resource
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=129190899612998&w=2 Mailing List Third Party Advisory
http://secunia.com/advisories/34724 Broken Link
http://secunia.com/advisories/35284 Broken Link
http://secunia.com/advisories/35395 Broken Link
http://secunia.com/advisories/35487 Broken Link
http://secunia.com/advisories/35565 Broken Link
http://secunia.com/advisories/35710 Broken Link
http://secunia.com/advisories/35797 Broken Link
http://secunia.com/advisories/35843 Broken Link
http://secunia.com/advisories/37221 Broken Link
http://security.gentoo.org/glsa/glsa-200907-03.xml Third Party Advisory
http://support.apple.com/kb/HT3937 Third Party Advisory
http://svn.apache.org/viewvc?view=rev&revision=768417 Patch Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg27014463 Third Party Advisory
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 Vendor Advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg21591.html
http://www.mail-archive.com/dev%40apr.apache.org/msg21592.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:131 Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
http://www.openwall.com/lists/oss-security/2009/06/06/1 Exploit Mailing List Patch
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1107.html Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2009-1108.html Third Party Advisory
http://www.securityfocus.com/bid/35251 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/usn-786-1 Third Party Advisory
http://www.ubuntu.com/usn/usn-787-1 Third Party Advisory
http://www.vupen.com/english/advisories/2009/1907 Permissions Required
http://www.vupen.com/english/advisories/2009/3184 Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=504390 Exploit Issue Tracking Patch Third Party Advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 6 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : March 10, 2024, 12:15 p.m. This repo has been linked 170 different CVEs too.

None

Updated: 1 year, 1 month ago
0 stars 0 fork 0 watcher
Born at : Aug. 9, 2023, 12:16 p.m. This repo has been linked 170 different CVEs too.

None

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : June 30, 2023, 4:18 p.m. This repo has been linked 170 different CVEs too.

None

Updated: 1 year, 4 months ago
1 stars 0 fork 0 watcher
Born at : April 10, 2023, 5:46 p.m. This repo has been linked 170 different CVEs too.

Уязвимости и атаки на информационные системы

Updated: 7 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : March 24, 2023, 8:20 a.m. This repo has been linked 170 different CVEs too.

None

Updated: 1 year, 6 months ago
0 stars 2 fork 2 watcher
Born at : March 12, 2023, 3:01 a.m. This repo has been linked 170 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2009-1956 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2009-1956 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE http://www.mail-archive.com/dev%40apr.apache.org/msg21592.html [No types assigned]
    Added Reference MITRE http://www.mail-archive.com/dev%40apr.apache.org/msg21591.html [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Added Reference MITRE https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E [No types assigned]
    Removed Reference MITRE http://www.mail-archive.com/[email protected]/msg21592.html
    Removed Reference MITRE http://www.mail-archive.com/[email protected]/msg21591.html
    Removed Reference MITRE https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E
    Removed Reference MITRE https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E
  • Modified Analysis by [email protected]

    Mar. 03, 2023

    Action Type Old Value New Value
    Changed Reference Type http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html No Types Assigned http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html Mailing List, Third Party Advisory
    Changed Reference Type http://marc.info/?l=bugtraq&m=129190899612998&w=2 No Types Assigned http://marc.info/?l=bugtraq&m=129190899612998&w=2 Mailing List, Third Party Advisory
    Changed Reference Type http://secunia.com/advisories/34724 No Types Assigned http://secunia.com/advisories/34724 Broken Link
    Changed Reference Type http://secunia.com/advisories/35284 No Types Assigned http://secunia.com/advisories/35284 Broken Link
    Changed Reference Type http://secunia.com/advisories/35395 No Types Assigned http://secunia.com/advisories/35395 Broken Link
    Changed Reference Type http://secunia.com/advisories/35487 No Types Assigned http://secunia.com/advisories/35487 Broken Link
    Changed Reference Type http://secunia.com/advisories/35565 No Types Assigned http://secunia.com/advisories/35565 Broken Link
    Changed Reference Type http://secunia.com/advisories/35710 No Types Assigned http://secunia.com/advisories/35710 Broken Link
    Changed Reference Type http://secunia.com/advisories/35797 No Types Assigned http://secunia.com/advisories/35797 Broken Link
    Changed Reference Type http://secunia.com/advisories/35843 No Types Assigned http://secunia.com/advisories/35843 Broken Link
    Changed Reference Type http://secunia.com/advisories/37221 No Types Assigned http://secunia.com/advisories/37221 Broken Link
    Changed Reference Type http://security.gentoo.org/glsa/glsa-200907-03.xml No Types Assigned http://security.gentoo.org/glsa/glsa-200907-03.xml Third Party Advisory
    Changed Reference Type http://support.apple.com/kb/HT3937 No Types Assigned http://support.apple.com/kb/HT3937 Third Party Advisory
    Changed Reference Type http://svn.apache.org/viewvc?view=rev&revision=768417 Patch http://svn.apache.org/viewvc?view=rev&revision=768417 Patch, Third Party Advisory
    Changed Reference Type http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 No Types Assigned http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 Vendor Advisory
    Changed Reference Type http://www.mail-archive.com/[email protected]/msg21591.html No Types Assigned http://www.mail-archive.com/[email protected]/msg21591.html Third Party Advisory
    Changed Reference Type http://www.mail-archive.com/[email protected]/msg21592.html No Types Assigned http://www.mail-archive.com/[email protected]/msg21592.html Third Party Advisory
    Changed Reference Type http://www.mandriva.com/security/advisories?name=MDVSA-2009:131 No Types Assigned http://www.mandriva.com/security/advisories?name=MDVSA-2009:131 Broken Link
    Changed Reference Type http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 No Types Assigned http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 Broken Link
    Changed Reference Type http://www.openwall.com/lists/oss-security/2009/06/06/1 Exploit, Patch http://www.openwall.com/lists/oss-security/2009/06/06/1 Exploit, Mailing List, Patch
    Changed Reference Type http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html No Types Assigned http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html Third Party Advisory
    Changed Reference Type http://www.redhat.com/support/errata/RHSA-2009-1107.html No Types Assigned http://www.redhat.com/support/errata/RHSA-2009-1107.html Third Party Advisory
    Changed Reference Type http://www.redhat.com/support/errata/RHSA-2009-1108.html No Types Assigned http://www.redhat.com/support/errata/RHSA-2009-1108.html Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/35251 No Types Assigned http://www.securityfocus.com/bid/35251 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.ubuntu.com/usn/usn-786-1 No Types Assigned http://www.ubuntu.com/usn/usn-786-1 Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/usn-787-1 No Types Assigned http://www.ubuntu.com/usn/usn-787-1 Third Party Advisory
    Changed Reference Type http://www.vupen.com/english/advisories/2009/1907 No Types Assigned http://www.vupen.com/english/advisories/2009/1907 Permissions Required
    Changed Reference Type http://www.vupen.com/english/advisories/2009/3184 No Types Assigned http://www.vupen.com/english/advisories/2009/3184 Permissions Required
    Changed Reference Type http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341 No Types Assigned http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341 Third Party Advisory
    Changed Reference Type http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241 No Types Assigned http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241 Third Party Advisory
    Changed Reference Type http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478 No Types Assigned http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478 Third Party Advisory
    Changed Reference Type http://www-01.ibm.com/support/docview.wss?uid=swg27014463 No Types Assigned http://www-01.ibm.com/support/docview.wss?uid=swg27014463 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=504390 Exploit, Patch https://bugzilla.redhat.com/show_bug.cgi?id=504390 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E Mailing List, Third Party Advisory
    Changed Reference Type https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 No Types Assigned https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 Third Party Advisory
    Changed Reference Type https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 No Types Assigned https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 Third Party Advisory
    Changed Reference Type https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html No Types Assigned https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html Third Party Advisory
    Changed Reference Type https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html No Types Assigned https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html Third Party Advisory
    Changed Reference Type https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html No Types Assigned https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:apache:apr-util:0.9.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:0.9.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:0.9.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:0.9.4:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:0.9.5:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.0.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.1.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.1.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.1.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.2.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.2.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.2.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.2.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.2.8:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.3.0:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.3.1:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.3.2:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:1.3.3:*:*:*:*:*:*:* *cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:* versions up to (including) 1.3.4 OR *cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:* versions up to (including) 1.3.4
    Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 2.2.0 up to (excluding) 2.2.12
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 06, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 03, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 30, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 30, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 01, 2020

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 01, 2020

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 15, 2019

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
    Added Reference https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11567 [No Types Assigned]
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12237 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 08, 2009

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2009-1956 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2009-1956 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

38.90 }} 7.33%

score

0.97215

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability