CVE-2016-8670

9.8 CRITICAL
Published: January 04, 2017 Modified: May 06, 2026
View on NVD

Description

Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.

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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://www.debian.org/security/2016/dsa-3693
Source: security@debian.org
http://www.openwall.com/lists/oss-security/2016/10/15/1
Source: security@debian.org
Third Party Advisory
http://www.php.net/ChangeLog-5.php
Source: security@debian.org
Release Notes Vendor Advisory
http://www.php.net/ChangeLog-7.php
Source: security@debian.org
Release Notes Vendor Advisory
http://www.securityfocus.com/bid/93594
Source: security@debian.org
https://bugs.php.net/bug.php?id=73280
Source: security@debian.org
Vendor Advisory
https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
Source: security@debian.org
Vendor Advisory
https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS
Source: security@debian.org
http://www.debian.org/security/2016/dsa-3693
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/10/15/1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.php.net/ChangeLog-5.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://www.php.net/ChangeLog-7.php
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
http://www.securityfocus.com/bid/93594
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugs.php.net/bug.php?id=73280
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
4.7%
91th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

php libgd

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