Integer overflow in ext/shmop/shmop.c in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (crash) and possibly read sensitive memory via a large third argument to the shmop_read function.
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
- https://github.com/mudongliang/LinuxFlaw
- https://github.com/oneoy/cve-