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CVE-2015-8540

Published: Apr 14, 2016Updated: May 6, 2026 Sources: CVE List NVD BDUCWE-189
NVD MITRE
8.8CVSSHIGH
EPSS Score
6.5%
Top 7.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Integer underflow in the png_check_keyword function in pngwutil.c in libpng 0.90 through 0.99, 1.0.x before 1.0.66, 1.1.x and 1.2.x before 1.2.56, 1.3.x and 1.4.x before 1.4.19, and 1.5.x before 1.5.26 allows remote attackers to have unspecified impact via a space character as a keyword in a PNG image, which triggers an out-of-bounds read.

CVSS Vector Breakdown

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

Weaknesses

CWE-189

Affected Products

enterprise linux desktop supplementaryredhat
On-premOS
Operating Systems / linux-distro
enterprise linux hpc noderedhat
On-prem
Operating Systems / linux-distro
enterprise linux server supplementaryredhat
On-premOS
Operating Systems / linux-distro
enterprise linux workstation supplementaryredhat
On-premOS
Operating Systems / linux-distro
libpnglibpng
Library
OSS Libraries / generic-library
redhatcommercialUSOperating Systemsaka red hat
libpngoss-projectOSS Librariesaka libpng project, pngcheck (related tool)
and 6 more affected products View all →

Exploitability

Official Patch Available

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174435.html
lists.fedoraproject.org
http://sourceforge.net/p/libpng/bugs/244/
sourceforge.net
http://sourceforge.net/p/libpng/code/ci/d9006f683c641793252d92254a75ae9b815b42ed/
sourceforge.net
and 28 more references View all →

Timeline

Published
Apr 14, 2016
Last Updated
May 6, 2026

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