Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pcre | Pcre | <= 6.0 |
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
FAQ
What is CVE-2007-4767?
CVE-2007-4767 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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 attac...
How severe is CVE-2007-4767?
CVE-2007-4767 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-4767?
Check the references section above for vendor advisories and patch information. Affected products include: Pcre Pcre.