CVE-2007-1376: PHP

High severity, CVSS 7.5. EPSS: 10.4% chance of exploitation in the next 30 days.

The shmop functions in PHP before 4.4.5, and before 5.2.1 in the 5.x series, do not verify that their arguments correspond to a shmop resource, which allows context-dependent attackers to read and write arbitrary memory locations via arguments associated with an inappropriate resource, as demonstrated by a GD Image resource.

Affected products

• PHP PHP: version 4.0 only; version 4.0.0 only; version 4.0.1 only; version 4.0.2 only; version 4.0.3 only; version 4.0.4 only; …

Published 2007-03-10. Last modified 2026-06-16.