CVE-2016-2191

6.5 MEDIUM

Published: April 13, 2016 Modified: May 06, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

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:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html

Source: secalert@redhat.com

Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.html

Source: secalert@redhat.com

Third Party Advisory

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

Source: secalert@redhat.com

Exploit

http://seclists.org/fulldisclosure/2016/Apr/15

Source: secalert@redhat.com

Third Party Advisory

http://www.debian.org/security/2016/dsa-3546

Source: secalert@redhat.com

Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/04/04/2

Source: secalert@redhat.com

Third Party Advisory

http://www.securityfocus.com/archive/1/537972/100/0/threaded

Source: secalert@redhat.com

http://www.ubuntu.com/usn/USN-2951-1

Source: secalert@redhat.com

Third Party Advisory

https://security.gentoo.org/glsa/201608-01

Source: secalert@redhat.com

https://sourceforge.net/p/optipng/bugs/59/

Source: secalert@redhat.com

Patch

http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.html