VULNERABILITY INTELLIGENCE
CVE-2007-1659
CVSS score6.8 MEDIUM
EPSS probability3.53%
CISA KEVNot currently listed
Published2007-11-07
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:P
Description
Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via regex patterns containing unmatched "\Q\E" sequences with orphan "\E" codes.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Primary references
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Vendor Advisory
- cve@mitre.org — Vendor Advisory