CVE-2007-4768
MEDIUM · CVSS 6.8EPSS 4.1%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 4.1% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-4749)
- Published
- November 7, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-4749 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- pcre / pcre
References
- 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
- http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html
- http://secunia.com/advisories/27538
- http://secunia.com/advisories/27543
- http://secunia.com/advisories/27554
- http://secunia.com/advisories/27697
- http://secunia.com/advisories/27741
- http://secunia.com/advisories/28136
- http://secunia.com/advisories/28157
- http://secunia.com/advisories/28161
- http://secunia.com/advisories/28213
- http://secunia.com/advisories/28406
- http://secunia.com/advisories/28414
- http://secunia.com/advisories/28570
- http://secunia.com/advisories/28714
- http://secunia.com/advisories/28720
- http://secunia.com/advisories/29267
- http://secunia.com/advisories/29420
- http://secunia.com/advisories/30106
- http://secunia.com/advisories/30155
- http://secunia.com/advisories/30219
- http://secunia.com/advisories/30507
- http://secunia.com/advisories/30840
- http://security.gentoo.org/glsa/glsa-200711-30.xml
- http://security.gentoo.org/glsa/glsa-200801-02.xml
- http://security.gentoo.org/glsa/glsa-200801-18.xml
- http://security.gentoo.org/glsa/glsa-200801-19.xml
- http://security.gentoo.org/glsa/glsa-200805-11.xml
- http://securitytracker.com/id?1019116
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-238305-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-239286-1
- http://www.adobe.com/support/security/bulletins/apsb07-20.html
- http://www.adobe.com/support/security/bulletins/apsb08-13.html
- http://www.debian.org/security/2007/dsa-1399
- http://www.debian.org/security/2008/dsa-1570
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain