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CVE-2006-7226

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the...

4.3 MediumFix available

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).

Exploit likelihood

1.60%Up 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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).

Record
CVE-2006-7226
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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).

Record
CVE-2006-7226
Updated
2026-11-02
EUVDEUVD-2006-7203 No score

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).

Record
EUVD-2006-7203
Updated
2026-11-03
GitHub AdvisoriesGHSA-pjwm-g353-8cr7 No score

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the...

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).

Record
GHSA-pjwm-g353-8cr7
Updated
2026-11-02
OSV No score

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).

Record
CVE-2006-7226
Updated
2026-11-02
OSVDEBIAN-CVE-2006-7226 No score

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).

Record
DEBIAN-CVE-2006-7226
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
glib2.0
Debian:12
 before 2.14.3-1
2.14.3-1
glib2.0
Debian:13
 before 2.14.3-1
2.14.3-1
glib2.0
Debian:14
 before 2.14.3-1
2.14.3-1
pcre3
Debian:12
 before 6.7-1
6.7-1
pcre
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre
Red Hat:enterprise_linux:5::server
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
Show 14 moreShow less
Affected packages
PackageAffectedFixed
pcre-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 4 CVEs
 before 0:6.6-2.el5_1.7
0:6.6-2.el5_1.7
pcre
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6
pcre-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
 before 0:4.5-4.el4_6.6
0:4.5-4.el4_6.6

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-7226 is a medium vulnerability (CVSS 4.3) in Redhat Enterprise Linux, published December 3, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. Fixed in glib2.0 2.14.3-1.

References

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