CVE-2016-2191

MEDIUM

Optipng - Memory Corruption

Title source: rule

Description

The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.

References (10)

[Third Party Advisory] http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html

[Third Party Advisory] http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html

[Exploit] http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.html

[Third Party Advisory] http://seclists.org/fulldisclosure/2016/Apr/15

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3546

[Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/04/04/2

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2951-1

[Patch] https://sourceforge.net/p/optipng/bugs/59/

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/537972/100/0/threaded

[Third Party Advisory] https://security.gentoo.org/glsa/201608-01

Scores

CVSS v3 6.5

EPSS 0.0206

EPSS Percentile 83.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE

CWE-119

Status draft

Affected Products (8)

optipng/optipng

canonical/ubuntu_linux

debian/debian_linux

opensuse/leap

opensuse/opensuse

Timeline

Published Apr 13, 2016

Tracked Since Feb 18, 2026