Home/CVE/Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent atta
CVE

CVE-2007-4768

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent atta

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

MEDIUM · CVSS 6.8 EPSS 0.09602
Monitor
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

3
pcre<= 6.0
pcre<= 6.1
pcre<= 7.3
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighPCRE.NET Package Temp Files
producthighPCRE.NET Package Image Load
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Published to NVD07 Nov 2007 · 11:46 PM
⚑

Vendor Advisories

2
rhsaRHSA-2007:1126Critical
usnUSN-547-1
🔗

References & Sources

60
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://bugs.gentoo.org/show_bug.cgi?id=198976
http://docs.info.apple.com/article.html?artnum=307179
http://docs.info.apple.com/article.html?artnum=307562
http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00007.html
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