VulnerabilityModified
CVE-2007-4768
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…
MEDIUM 6.8EPSS 4.10%
Does this matter?
Lower severity and a low EPSS score (4.10%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 4.10% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- pcre/pcre
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.