CVE-2011-1092: PHP

High severity, CVSS 7.5. EPSS: 17.9% chance of exploitation in the next 30 days.

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.

Affected products

• PHP PHP: up to and including 5.3.5; version 1.0 only; version 2.0 only; version 2.0b10 only; version 3.0 only; version 3.0.1 only; …

Published 2011-03-15. Last modified 2026-06-16.