Vulnerability Details : 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 context-dependent attackers to cause a denial of service (error or crash).
Vulnerability category: Denial of service
Products affected by CVE-2006-7226
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:as:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:es:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:ws:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2006-7226
1.53%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2006-7226
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
References for CVE-2006-7226
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https://bugzilla.redhat.com/show_bug.cgi?id=384781
384781 – (CVE-2006-7226) CVE-2006-7226 pcre miscalculation of memory requirements for repeated subpattern containing a named recursion or subroutine reference
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http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
ASA-2007-505 (RHSA-2007-1068)
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http://www.mandriva.com/security/advisories?name=MDVSA-2008:030
Mandriva
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http://secunia.com/advisories/28658
About Secunia Research | Flexera
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http://www.redhat.com/support/errata/RHSA-2007-1068.html
Support
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https://exchange.xforce.ibmcloud.com/vulnerabilities/40020
PCRE library subpattern denial of service CVE-2006-7226 Vulnerability Report
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http://www.securityfocus.com/bid/26727
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http://secunia.com/advisories/28041
About Secunia Research | Flexera
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11545
404 Not Found
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http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00006.html
[security-announce] SUSE Security Announcement: php4, php5 (SUSE-SA:2008:004) - openSUSE Security Announce - openSUSE Mailing Lists
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http://www.redhat.com/support/errata/RHSA-2007-1059.html
Support
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http://www.pcre.org/changelog.txt
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