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CVE-2006-7226

4.3 · MEDIUM

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 na…

Published Dec 3, 2007redhatEPSS 1.60%

Overview

CVE-2006-7226 is a medium-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on December 3, 2007 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 6.7 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).

Remediation

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop 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

References

Reflists.opensuse.org/opensuse-security-announce/2008-01/msg00006.htmlRefsecunia.com/advisories/28041Refsecunia.com/advisories/28658Refsupport.avaya.com/elmodocs2/security/ASA-2007-505.htmRefwww.mandriva.com/security/advisories?name=MDVSA-2008:030Refwww.pcre.org/changelog.txtRefwww.redhat.com/support/errata/RHSA-2007-1059.htmlRefwww.redhat.com/support/errata/RHSA-2007-1068.htmlRefwww.securityfocus.com/bid/26727Refbugzilla.redhat.com/show_bug.cgi?id=384781

How CyberStrike helps

Frequently asked questions

What is CVE-2006-7226?

CVE-2006-7226 is a medium-severity vulnerability affecting redhat enterprise_linux_desktop. It was published on December 3, 2007 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2006-7226?

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-2006-7226?

Check the references section for vendor advisories and patches from redhat. Update enterprise_linux_desktop 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-2006-7226?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-7226 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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