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).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux_desktop | Redhat | 4.0 (including) | 4.0 (including) |
| Red Hat Enterprise Linux 4 | RedHat | pcre-0:4.5-4.el4_6.6 | * |
| Red Hat Enterprise Linux 5 | RedHat | pcre-0:6.6-2.el5_1.7 | * |
| Pcre3 | Ubuntu | dapper | * |
| Pcre3 | Ubuntu | edgy | * |
| Pcre3 | Ubuntu | upstream | * |