CVE-2016-4343

8.8 HIGH
Published: May 22, 2016 Modified: May 06, 2026
View on NVD

Description

The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
Source: cve@mitre.org
Mailing List Third Party Advisory
http://php.net/ChangeLog-5.php
Source: cve@mitre.org
Release Notes Vendor Advisory
http://php.net/ChangeLog-7.php
Source: cve@mitre.org
Release Notes Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: cve@mitre.org
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2
Source: cve@mitre.org
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/89179
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugs.php.net/bug.php?id=71331
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://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
Source: cve@mitre.org
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Source: cve@mitre.org
Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/89179
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.php.net/bug.php?id=71331
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://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
7.6%
92th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-824

Affected Vendors

php opensuse

Related CVEs

CVE-2026-8193 6.3
CVE-2026-8192 6.3
CVE-2026-8191 6.3
CVE-2026-8190 6.3
CVE-2026-8189 6.3