Critical severity9.8NVD Advisory· Published Aug 7, 2016· Updated Jun 17, 2026
CVE-2016-5768
CVE-2016-5768
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
43cpe:2.3:a:php:php:*:*:*:*:*:*:*:*+ 40 more
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*range: <=5.5.36
- cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.21:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.22:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*
- (no CPE)range: <5.5.37, 5.6.x <5.6.23, 7.x <7.0.8
- osv-coords2 versionspkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 5.5.14-68.1+ 1 more
- (no CPE)range: < 5.5.14-68.1
- (no CPE)range: < 5.5.14-68.1
Patches
Vulnerability mechanics
References
14- php.net/ChangeLog-5.phpnvdPatchRelease Notes
- bugs.php.net/bug.phpnvdExploitVendor Advisory
- php.net/ChangeLog-7.phpnvdRelease Notes
- www.openwall.com/lists/oss-security/2016/06/23/4nvdRelease Notes
- github.com/php/php-src/commit/5b597a2e5b28e2d5a52fc1be13f425f08f47cb62nvd
- lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-08/msg00003.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2598.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2750.htmlnvd
- www.debian.org/security/2016/dsa-3618nvd
- www.securityfocus.com/bid/91396nvd
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
- support.apple.com/HT207170nvd
News mentions
0No linked articles in our index yet.