CVE-2015-8540

8.8 HIGH
Published: April 14, 2016 Modified: May 06, 2026
View on NVD

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.

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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:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://sourceforge.net/p/libpng/bugs/244/
Source: af854a3a-2127-422b-91ae-364da2661108
http://sourceforge.net/projects/libpng/files/libpng10/1.0.66/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://sourceforge.net/projects/libpng/files/libpng12/1.2.56/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://sourceforge.net/projects/libpng/files/libpng14/1.4.19/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://sourceforge.net/projects/libpng/files/libpng15/1.5.26/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.debian.org/security/2016/dsa-3443
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/12/10/6
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/12/10/7
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/12/11/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/12/11/2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/12/17/10
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/80592
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2016:1430
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201611-08
Source: af854a3a-2127-422b-91ae-364da2661108

38 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
13.5%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

libpng debian redhat fedoraproject