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CVE-2016-5768

Published: 24 June 2016

Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.

Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
php5
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr)
Released (5.5.9+dfsg-1ubuntu4.19)
Patches:
Upstream: http://git.php.net/?p=php-src.git;a=commit;h=5b597a2e5b28e2d5a52fc1be13f425f08f47cb62
php7.0
Launchpad, Ubuntu, Debian
Upstream
Released (7.0.8)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (7.0.8-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: http://git.php.net/?p=php-src.git;a=commit;h=5b597a2e5b28e2d5a52fc1be13f425f08f47cb62