CVE-2016-5768

CRITICAL

PHP <5.5.37, 5.6.x <5.6.23, 7.x <7.0.8 - RCE

Title source: llm

Description

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.

References (14)

[Mailing List] http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2016-2598.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2016-2750.html

[Mailing List] http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html

[Patch, Release Notes] http://php.net/ChangeLog-5.php

[Release Notes] http://php.net/ChangeLog-7.php

[Release Notes] http://www.openwall.com/lists/oss-security/2016/06/23/4

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/91396

[Exploit, Vendor Advisory] https://bugs.php.net/bug.php?id=72402

[Vendor Advisory] https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731

[Vendor Advisory] https://support.apple.com/HT207170

[Patch] http://github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62?w=1

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3618

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html

Scores

CVSS v3 9.8

EPSS 0.2099

EPSS Percentile 95.5%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-415

Status draft

Affected Products (40)

php/php < 5.5.36

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

php/php

... and 25 more

Timeline

Published Aug 07, 2016

Tracked Since Feb 18, 2026