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CVE-2006-7227

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context...

6.8 MediumFix available

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Exploit likelihood

3.50%Down 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
CVE-2006-7227
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
CVE-2006-7227
Updated
2026-11-02
EUVDEUVD-2006-7204 No score

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
EUVD-2006-7204
Updated
2026-11-03
GitHub AdvisoriesGHSA-vqwh-px94-7wr8 No score

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context...

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
GHSA-vqwh-px94-7wr8
Updated
2026-11-02
OSVBELL-CVE-2006-7227 6.8

CVE-2006-7227 does not affect BellSoft software

Record
BELL-CVE-2006-7227
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02
OSV No score

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
CVE-2006-7227
Updated
2026-11-02
OSVDEBIAN-CVE-2006-7227 No score

Integer overflow in Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to execute arbitrary code via a regular expression containing a large number of named subpatterns (name_count) or long subpattern names (max_name_size), which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.

Record
DEBIAN-CVE-2006-7227
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pcre3
Debian:12
before 6.2-1
6.2-1
kazehakase
Debian:4.0
before 0.4.2-1etch1, plus listed versions
0.4.2-1
0.4.2-1etch1
pcre
Red Hat:enterprise_linux:4::as
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-debuginfo
Red Hat:enterprise_linux:4::as
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-devel
Red Hat:enterprise_linux:4::as
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre
Red Hat:enterprise_linux:4::desktop
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-debuginfo
Red Hat:enterprise_linux:4::desktop
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-devel
Red Hat:enterprise_linux:4::desktop
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre
Red Hat:enterprise_linux:4::es
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-debuginfo
Red Hat:enterprise_linux:4::es
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
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Affected packages
PackageAffectedFixed
pcre-devel
Red Hat:enterprise_linux:4::es
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre
Red Hat:enterprise_linux:4::ws
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-debuginfo
Red Hat:enterprise_linux:4::ws
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre-devel
Red Hat:enterprise_linux:4::ws
before 0:4.5-4.el4_5.4
0:4.5-4.el4_5.4
pcre
Red Hat:enterprise_linux:5::client_workstation
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre-debuginfo
Red Hat:enterprise_linux:5::client_workstation
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre-devel
Red Hat:enterprise_linux:5::client_workstation
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre
Red Hat:enterprise_linux:5::client
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre-debuginfo
Red Hat:enterprise_linux:5::client
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre
Red Hat:enterprise_linux:5::server
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre-debuginfo
Red Hat:enterprise_linux:5::server
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1
pcre-devel
Red Hat:enterprise_linux:5::server
before 0:6.6-2.el5_1.1
0:6.6-2.el5_1.1

History

History
RecordedChangedSources
aliasesEUVD
aliases
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2006-7227 is a medium vulnerability (CVSS 6.8) in Pcre, published November 14, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.50%, the 89th percentile. Fixed in pcre3 6.2-1.

References

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