VULNERABILITY INTELLIGENCE
CVE-2006-7225
CVSS score4.3 MEDIUM
EPSS probability1.60%
CISA KEVNot currently listed
Published2007-12-03
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:P
Description
Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service (error or crash) via a regular expression that involves a "malformed POSIX character class", as demonstrated via an invalid character after a [[ sequence.
Weakness classification
- CWE-20: Improper Input Validation