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CVE-2016-8670

Published: Jan 4, 2017Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-119
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
4.7%
Top 9.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

GD Graphics LibraryThomas Boutell
Library
OSS Libraries / generic-library
libgd2Сообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
libgdlibgd
Library
OSS Libraries / generic-library
n/an/a
thomas boutellindividual-devUSOSS Librariesaka libgd, gd library, cgic
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
libgdoss-projectOSS Librariesaka gd graphics library

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2016/10/15/1
openwall.com
http://www.php.net/ChangeLog-5.php
php.net
http://www.php.net/ChangeLog-7.php
php.net
and 10 more references View all →

Timeline

Published
Jan 4, 2017
Last Updated
May 6, 2026

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