CVE-2006-7226
MEDIUM · CVSS 4.3EPSS 1.6%EU EUVD
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).
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- EPSS score
- 1.6% (76th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-7203)
- Published
- December 3, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-7203 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux desktop
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/26727
- https://bugzilla.redhat.com/show_bug.cgi?id=384781
- https://exchange.xforce.ibmcloud.com/vulnerabilities/40020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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