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5.0
MEDIUM CVSS 2.0
CVE-2015-7497
Libxml2 Heap-Based Buffer Overflow
Description

Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors.

INFO

Published Date :

Dec. 15, 2015, 9:59 p.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2015-7497 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 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_hpc_node
1 Hp icewall_federation_agent
2 Hp icewall_file_manager
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Xmlsoft libxml2
: Total Affected Vendor : 5 | Products : 9
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
This addresses a heap-based buffer overflow vulnerability in libxml2.
  • Update the libxml2 packages to a non-vulnerable version.
  • Apply vendor-provided security updates for libxml2.
Public PoC/Exploit Available at Github

CVE-2015-7497 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2015-7497.

URL Resource
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/79508
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2834-1 Third Party Advisory
http://xmlsoft.org/news.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1281862 Issue Tracking Third Party Advisory VDB Entry
https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
https://security.gentoo.org/glsa/201701-37
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/79508
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2834-1 Third Party Advisory
http://xmlsoft.org/news.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1281862 Issue Tracking Third Party Advisory VDB Entry
https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
https://security.gentoo.org/glsa/201701-37
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-7497 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-2015-7497 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

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).

Profile Photo
kedjames/crashsearch-triage

None

Python C Makefile Shell M4 Perl HTML XSLT CSS PHP

Updated: 2 years, 2 months ago
4 stars 0 fork 0 watcher
Born at : Nov. 10, 2022, 6:38 p.m. This repo has been linked 3 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-2015-7497 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2015-7497 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
    Added Reference http://marc.info/?l=bugtraq&m=145382616617563&w=2
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-2549.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-2550.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1089.html
    Added Reference http://www.debian.org/security/2015/dsa-3430
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    Added Reference http://www.securityfocus.com/bid/79508
    Added Reference http://www.securitytracker.com/id/1034243
    Added Reference http://www.ubuntu.com/usn/USN-2834-1
    Added Reference http://xmlsoft.org/news.html
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1281862
    Added Reference https://git.gnome.org/browse/libxml2/commit/?id=6360a31a84efe69d155ed96306b9a931a40beab9
    Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
    Added Reference https://security.gentoo.org/glsa/201701-37
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash. Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors.
    Removed CVSS V2 Metadata Access Complexity Insufficient Information
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2549 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2550 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2016:1089 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2015-7497 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors. A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash.
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added Reference https://access.redhat.com/errata/RHSA-2016:1089 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2015-7497 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2549 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2550 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 14, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1034243 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-37 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 30, 2016

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1089.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/79508 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
  • Modified Analysis by [email protected]

    Aug. 25, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 4 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 4 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 5 OR *cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:* *cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-2549.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1281862 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1281862 Third Party Advisory, VDB Entry, Issue Tracking
    Changed Reference Type http://marc.info/?l=bugtraq&m=145382616617563&w=2 No Types Assigned http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
    Changed Reference Type http://www.debian.org/security/2015/dsa-3430 No Types Assigned http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
    Changed Reference Type http://www.ubuntu.com/usn/USN-2834-1 No Types Assigned http://www.ubuntu.com/usn/USN-2834-1 Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-2550.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
    Changed Reference Type https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 No Types Assigned https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
  • CVE Modified by [email protected]

    Aug. 20, 2016

    Action Type Old Value New Value
    Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
  • Modified Analysis by [email protected]

    Jun. 09, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 4 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 07, 2016

    Action Type Old Value New Value
    Added Reference http://marc.info/?l=bugtraq&m=145382616617563&w=2
  • Modified Analysis by [email protected]

    May. 20, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Apr. 13, 2016

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2015/dsa-3430
  • Modified Analysis by [email protected]

    Dec. 16, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Changed Reference Type http://xmlsoft.org/news.html No Types Assigned http://xmlsoft.org/news.html Advisory
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Dec. 16, 2015

    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.
Vulnerability Scoring Details
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

3.57 }} 0.25%

score

0.87229

percentile