Double free vulnerability in the zend_ts_hash_graceful_destroy function in zend_ts_hash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
http://advisories.mageia.org/MGASA-2015-0040.html
http://git.php.net/?p=php-src.git;a=commit;h=24125f0f26f3787c006e4a51611ba33ee3b841cb
http://git.php.net/?p=php-src.git;a=commit;h=2bcf69d073190e4f032d883f3416dea1b027a39e
http://git.php.net/?p=php-src.git;a=commit;h=fbf3a6bc1abcc8a5b5226b0ad9464c37f11ddbd6
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://openwall.com/lists/oss-security/2014/12/29/6
http://rhn.redhat.com/errata/RHSA-2015-1218.html
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/bid/71800
https://bugs.php.net/bug.php?id=68676
Source: MITRE
Published: 2014-12-31
Updated: 2018-01-05
Type: NVD-CWE-Other
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH