National Cyber Awareness System

Vulnerability Summary for CVE-2006-7226

Overview

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: MISC

Name: https://bugzilla.redhat.com/show_bug.cgi?id=384781

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=384781

External Source: XF

Name: pcre-library-subpattern-dos(40020)

Hyperlink:http://xforce.iss.net/xforce/xfdb/40020

External Source: BID

Name: 26727

Hyperlink:http://www.securityfocus.com/bid/26727

External Source: REDHAT

Name: RHSA-2007:1068

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-1068.html

External Source: REDHAT

Name: RHSA-2007:1059

Hyperlink:http://www.redhat.com/support/errata/RHSA-2007-1059.html

External Source: CONFIRM

Name: http://www.pcre.org/changelog.txt

Hyperlink:http://www.pcre.org/changelog.txt

External Source: MANDRIVA

Name: MDVSA-2008:030

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2008:030

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm

External Source: SECUNIA

Name: 28658

Hyperlink:http://secunia.com/advisories/28658

External Source: SECUNIA

Name: 28041

Hyperlink:http://secunia.com/advisories/28041

External Source: OVAL

Name: oval:org.mitre.oval:def:11545

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11545

External Source: SUSE

Name: SUSE-SA:2008:004

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html

References to Check Content

Identifier:oval:org.mitre.oval:def:11545

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11545