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CVE-2005-4872

4.3 · MEDIUM

Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service…

Published Dec 31, 2005pcreCWE-119EPSS 2.32%

Overview

CVE-2005-4872 is a medium-severity vulnerability affecting pcre pcre. It was published on December 31, 2005 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Remediation

Check the references section for vendor advisories and patches from pcre. Update pcre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
pcrepcre0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2008-01/msg00006.htmlRefscary.beasts.org/security/CESA-2007-006.htmlRefsecunia.com/advisories/27582Refsecunia.com/advisories/27773Refsecunia.com/advisories/27869Refsecunia.com/advisories/28658Refsupport.avaya.com/elmodocs2/security/ASA-2007-493.htmRefwww.mandriva.com/security/advisories?name=MDVSA-2008:030Refwww.novell.com/linux/security/advisories/2007_62_pcre.htmlRefwww.pcre.org/changelog.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2005-4872?

CVE-2005-4872 is a medium-severity vulnerability affecting pcre pcre. It was published on December 31, 2005 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2005-4872?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-4872?

Check the references section for vendor advisories and patches from pcre. Update pcre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-4872?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-4872 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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