VULNERABILITY INTELLIGENCE
CVE-2006-7226
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 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).