CVE-2015-8395
PCREKeyPressed Regular Expression Denial of Service
Description
PCRE before 8.38 mishandles certain references, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, a related issue to CVE-2015-8384 and CVE-2015-8392.
INFO
Published Date :
Dec. 2, 2015, 1:59 a.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-2015-8395
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] |
Solution
- Update the affected PCRE packages.
- Apply the appropriate vendor-supplied patches.
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-2015-8395.
| URL | Resource |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | |
| http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup | Release Notes |
| http://www.openwall.com/lists/oss-security/2015/11/29/1 | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2016:1132 | |
| https://bto.bluecoat.com/security-advisory/sa128 | Third Party Advisory |
| https://security.gentoo.org/glsa/201607-02 | |
| http://rhn.redhat.com/errata/RHSA-2016-2750.html | |
| http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup | Release Notes |
| http://www.openwall.com/lists/oss-security/2015/11/29/1 | Mailing List Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2016:1132 | |
| https://bto.bluecoat.com/security-advisory/sa128 | Third Party Advisory |
| https://security.gentoo.org/glsa/201607-02 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-8395 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-2015-8395
weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-8395 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-8395 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://rhn.redhat.com/errata/RHSA-2016-2750.html Added Reference http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup Added Reference http://www.openwall.com/lists/oss-security/2015/11/29/1 Added Reference https://access.redhat.com/errata/RHSA-2016:1132 Added Reference https://bto.bluecoat.com/security-advisory/sa128 Added Reference https://security.gentoo.org/glsa/201607-02 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2016:1132 [No Types Assigned] Added Reference http://rhn.redhat.com/errata/RHSA-2016-2750.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201607-02 [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 29, 2016
Action Type Old Value New Value Changed Reference Type http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup No Types Assigned http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup Release Notes Changed Reference Type http://www.openwall.com/lists/oss-security/2015/11/29/1 No Types Assigned http://www.openwall.com/lists/oss-security/2015/11/29/1 Third Party Advisory, Mailing List Changed Reference Type https://bto.bluecoat.com/security-advisory/sa128 No Types Assigned https://bto.bluecoat.com/security-advisory/sa128 Third Party Advisory -
CVE Modified by [email protected]
Dec. 28, 2016
Action Type Old Value New Value Added Reference https://bto.bluecoat.com/security-advisory/sa128 [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:pcre:perl_compatible_regular_expression_library:8.37:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CWE CWE-119 -
Initial Analysis by [email protected]
Dec. 02, 2015
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
3.88 }} 0.36%
score
0.87654
percentile