Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate the amount of memory needed for a compiled regular expression pattern when the (1) -x or (2) -i UTF-8 options change within the pattern, which allows context-dependent attackers to cause a denial of service (PCRE or glibc crash) via crafted regular expressions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pcre | Pcre | * | 6.9 (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 | feisty | * |
| Pcre3 | Ubuntu | upstream | * |