CVE-2015-8391

Impact:
Moderate
Public Date:
2015-11-23
CWE:
CWE-407
Bugzilla:
1287671: CVE-2015-8391 pcre: inefficient posix character class syntax check (8.38/16)

The MITRE CVE dictionary describes this issue as:

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Find out more about CVE-2015-8391 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (pcre) RHSA-2016:1025 2016-05-11
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-mariadb100-mariadb) RHSA-2016:1132 2016-05-26
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-mariadb100-mariadb) RHSA-2016:1132 2016-05-26
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php56-php) RHSA-2016:2750 2016-11-15
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php56-php) RHSA-2016:2750 2016-11-15

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux rh-mariadb101-mariadb Not affected
Red Hat Software Collections for Red Hat Enterprise Linux php55-php Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux php54-php Will not fix
Red Hat JBoss Web Server 3.0 pcre Will not fix
Red Hat JBoss EWS 2 httpd Not affected
Red Hat JBoss EWS 1 httpd Not affected
Red Hat Enterprise Linux 7 virtuoso-opensource Not affected
Red Hat Enterprise Linux 7 glib2 Will not fix
Red Hat Enterprise Linux 6 pcre Not affected
Red Hat Enterprise Linux 6 glib2 Not affected
Red Hat Enterprise Linux 5 pcre Not affected
Red Hat Directory Server 8 pcre Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified

CVE description copyright © 2017, The MITRE Corporation