CVE-2015-5589: PHP

Critical severity, CVSS 9.8. EPSS: 6.3% chance of exploitation in the next 30 days.

The phar_convert_to_other function in ext/phar/phar_object.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 does not validate a file pointer before a close operation, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted TAR archive that is mishandled in a Phar::convertToData call.

Affected products

• PHP PHP: version 5.6.0 only; version 5.6.1 only; version 5.6.2 only; version 5.6.3 only; version 5.6.4 only; version 5.6.5 only; …

Published 2016-05-16. Last modified 2026-06-17.