critical
CVE-2016-5769
php: Integer Overflows in mcrypt_generic() and mdecrypt_generic() resulting in heap overflows
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Amazon (medium), Ubuntu (medium).
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.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | php55, php55-bcmath, php55-cli and 60 more | 5.5.38-1.116.amzn1 and 1 more |
| debian 7 | php5 | 5.4.45-0+deb7u5 |
| debian 8 | php5 | 5.6.23+dfsg-0+deb8u1 |
| ubuntu 12.04 | php5 | 5.3.10-1ubuntu3.24 |
| ubuntu 14.04 | php5 | 5.5.9+dfsg-1ubuntu4.19 |
| ubuntu 14.04-ESM | php5 | 5.5.9+dfsg-1ubuntu4.19 |
| ubuntu 16.04 | php7.0 | 7.0.8-0ubuntu0.16.04.1 |
| ubuntu 16.04-ESM | php7.0 | 7.0.8-0ubuntu0.16.04.1 |
Show all 70 entries from 8 sources
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | php55 | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-bcmath | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-cli | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-common | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-dba | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-debuginfo | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-devel | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-embedded | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-enchant | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-fpm | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-gd | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-gmp | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-imap | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-intl | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-ldap | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-mbstring | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-mcrypt | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-mssql | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-mysqlnd | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-odbc | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-opcache | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-pdo | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-pgsql | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-process | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-pspell | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-recode | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-snmp | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-soap | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-tidy | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-xml | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php55-xmlrpc | 5.5.38-1.116.amzn1 |
| amazon linux 1 | php56 | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-bcmath | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-cli | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-common | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-dba | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-dbg | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-debuginfo | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-devel | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-embedded | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-enchant | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-fpm | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-gd | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-gmp | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-imap | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-intl | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-ldap | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-mbstring | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-mcrypt | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-mssql | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-mysqlnd | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-odbc | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-opcache | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-pdo | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-pgsql | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-process | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-pspell | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-recode | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-snmp | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-soap | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-tidy | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-xml | 5.6.24-1.126.amzn1 |
| amazon linux 1 | php56-xmlrpc | 5.6.24-1.126.amzn1 |
| debian 7 | php5 | 5.4.45-0+deb7u5 |
| debian 8 | php5 | 5.6.23+dfsg-0+deb8u1 |
| ubuntu 12.04 | php5 | 5.3.10-1ubuntu3.24 |
| ubuntu 14.04 | php5 | 5.5.9+dfsg-1ubuntu4.19 |
| ubuntu 14.04-ESM | php5 | 5.5.9+dfsg-1ubuntu4.19 |
| ubuntu 16.04 | php7.0 | 7.0.8-0ubuntu0.16.04.1 |
| ubuntu 16.04-ESM | php7.0 | 7.0.8-0ubuntu0.16.04.1 |
References
- http://github.com/php/php-src/commit/6c5211a0cef0cc2854eaa387e0eb036e012904d0?w=1
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- http://www.debian.org/security/2016/dsa-3618
All 18 references
- http://www.openwall.com/lists/oss-security/2016/06/23/4
- http://www.securityfocus.com/bid/91399
- https://access.redhat.com/security/cve/CVE-2016-5769
- https://bugs.php.net/bug.php?id=72455
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- https://marc.info/?l=oss-security&m=146668499803695&w=2
- https://nvd.nist.gov/vuln/detail/CVE-2016-5769
- https://support.apple.com/HT207170
- https://ubuntu.com/security/notices/USN-3045-1
- https://www.cve.org/CVERecord?id=CVE-2016-5769