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).
2007-12-03T20:46:00.000
2025-04-09T00:30:58.490
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | redhat | enterprise_linux_desktop | 4.0 | Yes |
Operating System | redhat | enterprise_linux | 4.0 | Yes |
Operating System | redhat | enterprise_linux | 4.0 | Yes |
Operating System | redhat | enterprise_linux | 4.0 | Yes |