CVE-2015-4116

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-05-16 · updated 2026-06-17

Description

Use-after-free vulnerability in the spl_ptr_heap_insert function in ext/spl/spl_heap.c in PHP before 5.5.27 and 5.6.x before 5.6.11 allows remote attackers to execute arbitrary code by triggering a failed SplMinHeap::compare operation.

Affected products

openSUSE Leap: 42.1
PHP: through 5.5.26; 5.6.0, 5.6.1, 5.6.2, 5.6.3, 5.6.4, 5.6.5 (+5)

References

http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=1cbd25ca15383394ffa9ee8601c5de4c0f2f90e1
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
http://php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=69737
https://www.htbridge.com/advisory/HTB23262
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=1cbd25ca15383394ffa9ee8601c5de4c0f2f90e1
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
http://php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=69737
https://www.htbridge.com/advisory/HTB23262

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