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    CVE-2016-5769

    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.

    Published:Jun 23, 2016
    Last Modified:Apr 12, 2025
    EPS:Aug 7, 2016
    EPSS Score:0.03286
    CVSS Score:9.8

    Affected Products

    Vendor
    Php
    Product
    Php

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-7263 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data in…
    CVE-2026-6104 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL b…
    CVE-2026-7258 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some fu…
    CVE-2026-6722 (CVSS 9.5) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOA…
    CVE-2026-7259 (CVSS 2.1) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a misma…
    CVE-2026-7261 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when So…
    CVE-2026-7262 (CVSS 2.9) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a …
    CVE-2025-14179 (CVSS 7.4) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the PDO…
    CVE-2026-7568 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the met…

    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
    http://www.openwall.com/lists/oss-security/2016/06/23/4
    http://www.securityfocus.com/bid/91399
    https://bugs.php.net/bug.php?id=72455
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
    https://support.apple.com/HT207170
    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
    http://www.openwall.com/lists/oss-security/2016/06/23/4
    http://www.securityfocus.com/bid/91399
    https://bugs.php.net/bug.php?id=72455
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
    https://support.apple.com/HT207170

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High