Critical severity9.8NVD Advisory· Published Aug 7, 2016· Updated Jun 17, 2026
CVE-2016-5769
CVE-2016-5769
Description
Multiple integer overflows in mcrypt.c in the mcrypt extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allow remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted length value, related to the (1) mcrypt_generic and (2) mdecrypt_generic functions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
47cpe: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:5.6.1:*:*:*:*:*:*:*
- 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:5.6.2:*:*:*:*:*:*:*
- 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:5.6.3:*:*:*:*:*:*:*
- 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, >=5.6.0 <5.6.23, >=7.0.0 <7.0.8
- osv-coords6 versionspkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/php53&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/php5&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1
< 5.3.17-74.1+ 5 more
- (no CPE)range: < 5.3.17-74.1
- (no CPE)range: < 5.3.17-74.1
- (no CPE)range: < 5.3.17-74.1
- (no CPE)range: < 5.5.14-68.1
- (no CPE)range: < 5.2.14-0.7.30.89.1
- (no CPE)range: < 5.5.14-68.1
Patches
Vulnerability mechanics
References
13- php.net/ChangeLog-5.phpnvdPatchRelease Notes
- bugs.php.net/bug.phpnvdVendor Advisory
- php.net/ChangeLog-7.phpnvdBroken Link
- www.openwall.com/lists/oss-security/2016/06/23/4nvdRelease Notes
- github.com/php/php-src/commit/6c5211a0cef0cc2854eaa387e0eb036e012904d0nvd
- lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.htmlnvd
- lists.opensuse.org/opensuse-updates/2016-08/msg00003.htmlnvd
- www.debian.org/security/2016/dsa-3618nvd
- www.securityfocus.com/bid/91399nvd
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplaynvd
- support.apple.com/HT207170nvd
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