CVE-2016-9137

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-01-04 · updated 2026-06-17
Weakness: CWE-416

Description

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: through 5.6.26; 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5 (+6)

References

http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59f
http://www.debian.org/security/2016/dsa-3698
http://www.openwall.com/lists/oss-security/2016/11/01/2
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/93577
https://bugs.php.net/bug.php?id=73147
https://www.tenable.com/security/tns-2016-19
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0e6fe3a4c96be2d3e88389a5776f878021b4c59f
http://www.debian.org/security/2016/dsa-3698
http://www.openwall.com/lists/oss-security/2016/11/01/2
http://www.php.net/ChangeLog-5.php

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