CVE-2006-7226
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…
Does this matter?
Lower severity and a low EPSS score (1.60%). Track it; it rarely justifies an emergency change on its own.
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).
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 1.60% probability · 74th percentile
- CISA KEV
- Not listed
- Affected
- redhat/enterprise linux desktop · redhat/enterprise linux
- Source
- secalert@redhat.com
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
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.