CVE-2016-5771

9.8 CRITICAL
Published: August 07, 2016 Modified: May 06, 2026
View on NVD

Description

spl_array.c in the SPL extension in PHP before 5.5.37 and 5.6.x before 5.6.23 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and application crash) via crafted serialized data.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://github.com/php/php-src/commit/3f627e580acfdaf0595ae3b115b8bec677f203ee?w=1
Source: cve@mitre.org
Patch Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Source: cve@mitre.org
Broken Link Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://php.net/ChangeLog-5.php
Source: cve@mitre.org
Patch Release Notes Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: cve@mitre.org
Third Party Advisory
http://www.debian.org/security/2016/dsa-3618
Source: cve@mitre.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/23/4
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/91401
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugs.php.net/bug.php?id=72433
Source: cve@mitre.org
Exploit Issue Tracking Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
Source: cve@mitre.org
Third Party Advisory
https://support.apple.com/HT207170
Source: cve@mitre.org
Third Party Advisory
http://github.com/php/php-src/commit/3f627e580acfdaf0595ae3b115b8bec677f203ee?w=1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Release Notes Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2016/dsa-3618
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/23/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/91401
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.php.net/bug.php?id=72433
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Vendor Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.apple.com/HT207170
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

24 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
9.6%
93th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

opensuse php debian

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