CVE-2006-7226

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2006-7226
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-12-03 20:46:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionPerl-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).

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:N/I:N/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:M/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Redhat Enterprise Linux 4.0 All as All
Operating System Redhat Enterprise Linux 4.0 All es All
Operating System Redhat Enterprise Linux 4.0 All ws All
Operating System Redhat Enterprise Linux Desktop 4.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
[security-announce] SUSE Security Announcement: php4, php5 (SUSE-SA:2008 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
PCRE Perl Compatible Regular Expression Subpattern Memory Allocation Denial Of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SUSE update for php4 and php5 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Support / Security / Advisories / / MDVSA-2008:030 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
www.pcre.org/changelog.txt af854a3a-2127-422b-91ae-364da2661108 www.pcre.org
ASA-2007-505 (RHSA-2007-1068) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
Avaya Products PCRE Multiple Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Bug 384781 – CVE-2006-7226 pcre miscalculation of memory requirements for repeated subpattern containing a named recursion or subroutine reference af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report