CVE-2007-4767
Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or…
Does this matter?
Lower severity and a low EPSS score (5.07%). Track it; it rarely justifies an emergency change on its own.
Description
Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 5.07% probability · 92th percentile
- CISA KEV
- Not listed
- 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://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/27773
- http://secunia.com/advisories/28136
- http://secunia.com/advisories/28406
- http://secunia.com/advisories/28414
- 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://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://www.debian.org/security/2007/dsa-1399
- http://www.debian.org/security/2008/dsa-1570
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:211
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.