CVE-2016-9137: PHP

Critical severity, CVSS 9.8. EPSS: 5.3% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the CURLFile implementation in ext/curl/curl_file.c in PHP before 5.6.27 and 7.x before 7.0.12 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted serialized data that is mishandled during __wakeup processing.

Affected products

• PHP PHP: up to and including 5.6.26; version 7.0.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …

Published 2017-01-04. Last modified 2026-06-17.