CVE-2011-1468: PHP

Medium severity, CVSS 4.3. EPSS: 13.3% chance of exploitation in the next 30 days.

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt 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 2011-03-20. Last modified 2026-06-16.