CVE-2011-1466: PHP

Medium severity, CVSS 5.0. EPSS: 5.9% chance of exploitation in the next 30 days.

Integer overflow in the SdnToJulian function in the Calendar extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a large integer in the first argument to the cal_from_jd 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.