CVE-2015-5590: PHP

High severity, CVSS 7.3. EPSS: 4.6% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the phar_fix_filepath function in ext/phar/phar.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a large length value, as demonstrated by mishandling of an e-mail attachment by the imap PHP extension.

Affected products

• PHP PHP: up to and including 5.4.42; version 5.5.0 only; version 5.5.1 only; version 5.5.2 only; version 5.5.3 only; version 5.5.4 only; …

Published 2016-01-19. Last modified 2026-06-17.