The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference.
- http://securityreason.com/achievement_securityalert/94
- http://securityreason.com/securityalert/8087
- http://www.exploit-db.com/exploits/16182
- https://github.com/mudongliang/LinuxFlaw
- https://github.com/oneoy/cve-