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CVE-2006-7226

Date: December 3, 2007

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).

Severity Score

Related Resources (15)

http://www.redhat.com/support/errata/RHSA-2007-1059.html
https://bugzilla.redhat.com/show_bug.cgi?id=384781
https://nvd.nist.gov/vuln/detail/CVE-2006-7226
https://exchange.xforce.ibmcloud.com/vulnerabilities/40020
http://secunia.com/advisories/28041
http://www.securityfocus.com/bid/26727
http://www.redhat.com/support/errata/RHSA-2007-1068.html
http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
http://www.pcre.org/changelog.txt
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
https://access.redhat.com/security/cve/CVE-2006-7226
http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545
http://secunia.com/advisories/28658
https://www.mend.io/vulnerability-database/CVE-2006-7226

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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