CVE-2016-5773

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

Description

php_zip.c in the zip extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 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 containing a ZipArchive object.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/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://php.net/ChangeLog-5.php
Source: cve@mitre.org
Patch Release Notes
http://php.net/ChangeLog-7.php
Source: cve@mitre.org
Patch Release Notes
https://bugs.php.net/bug.php?id=72434
Source: cve@mitre.org
Exploit Vendor Advisory
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Release Notes
http://php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Release Notes
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3618
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/06/23/4
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.securityfocus.com/bid/91397
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=72434
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Vendor Advisory
https://support.apple.com/HT207170
Source: af854a3a-2127-422b-91ae-364da2661108

24 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
16.1%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

php