CVE-2007-1883: PHP

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows context-dependent attackers to read arbitrary memory locations via an interruption that triggers a user space error handler that changes a parameter to an arbitrary pointer, as demonstrated via the iptcembed function, which calls certain convert_to_* functions with its input parameters.

Affected products

• PHP PHP: 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; version 4.0.5 only; …

Published 2007-04-06. Last modified 2026-06-16.