CVE-2016-6295

9.8 CRITICAL
Published: July 25, 2016 Modified: May 06, 2026
View on NVD

Description

ext/snmp/snmp.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 improperly interacts with the unserialize implementation and garbage collection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact via crafted serialized data, a related issue to CVE-2016-5773.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

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://git.php.net/?p=php-src.git%3Ba=commit%3Bh=cab1c3b3708eead315e033359d07049b23b147a3
Source: cve@mitre.org
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Source: cve@mitre.org
http://openwall.com/lists/oss-security/2016/07/24/2
Source: cve@mitre.org
Mailing List Patch
http://php.net/ChangeLog-5.php
Source: cve@mitre.org
Release Notes
http://php.net/ChangeLog-7.php
Source: cve@mitre.org
Release Notes
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: cve@mitre.org
http://www.debian.org/security/2016/dsa-3631
Source: cve@mitre.org
http://www.securityfocus.com/bid/92094
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036430
Source: cve@mitre.org
https://bugs.php.net/72479
Source: cve@mitre.org
Exploit Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-22
Source: cve@mitre.org
https://support.apple.com/HT207170
Source: cve@mitre.org
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=cab1c3b3708eead315e033359d07049b23b147a3
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://openwall.com/lists/oss-security/2016/07/24/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3631
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/92094
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036430
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/72479
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201611-22
Source: af854a3a-2127-422b-91ae-364da2661108
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)
5.1%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

php

Related CVEs

CVE-2026-6222 5.3
CVE-2026-40003 5.1
CVE-2026-44597 3.7
CVE-2026-6278 N/A
CVE-2026-41484 5.3