Vulnerability in Pcre
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 crash) or execute arbitrary code.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.051 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
References
- secunia.com/advisories/30219 (third-party-advisory)
- secunia.com/advisories/29267 (third-party-advisory)
- usn.ubuntu.com/547-1/ (vendor-advisory)
- security.gentoo.org/glsa/glsa-200711-30.xml (vendor-advisory)
- www.vupen.com/english/advisories/2007/4238 (vdb-entry)
- www.securityfocus.com/archive/1/483357/100/0/threaded (mailing-list)
- www.us-cert.gov/cas/techalerts/TA07-352A.html (US Government Resource, third-party-advisory)
- secunia.com/advisories/27538 (third-party-advisory)
- www.securityfocus.com/archive/1/483579/100/0/threaded (mailing-list)
- secunia.com/advisories/28136 (third-party-advisory)