CVE-2006-7225

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-12-03 · updated 2026-06-16
Weakness: CWE-20

Description

Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.

Affected products

perl Pcre: 0.91, 0.92, 0.93, 0.94, 0.95, 0.96 (+46)

References

http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
http://secunia.com/advisories/28041
http://secunia.com/advisories/28658
http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
http://www.pcre.org/changelog.txt
http://www.redhat.com/support/errata/RHSA-2007-1059.html
http://www.redhat.com/support/errata/RHSA-2007-1068.html
http://www.securityfocus.com/bid/26725
https://bugzilla.redhat.com/show_bug.cgi?id=384761
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10985
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html

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