CVE-2016-2191

Name: CVE-2016-2191
Creator: NVD / NIST
Published: 2016-04-13T16:59:11.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.53%

Last modified Jun 17, 2026

CVE-2016-2191 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.53% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.53%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Optipng	Optipng	0.7.2
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.04
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Opensuse	Leap	42.1
Opensuse	Opensuse	13.2

References

http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.htmlThird Party Advisory
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.htmlExploit
http://seclists.org/fulldisclosure/2016/Apr/15Third Party Advisory
http://www.debian.org/security/2016/dsa-3546Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/04/2Third Party Advisory
http://www.securityfocus.com/archive/1/537972/100/0/threaded
http://www.ubuntu.com/usn/USN-2951-1Third Party Advisory
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/59/Patch
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.htmlThird Party Advisory
http://packetstormsecurity.com/files/136553/Optipng-Invalid-Write.htmlExploit
http://seclists.org/fulldisclosure/2016/Apr/15Third Party Advisory
http://www.debian.org/security/2016/dsa-3546Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/04/04/2Third Party Advisory
http://www.securityfocus.com/archive/1/537972/100/0/threaded
http://www.ubuntu.com/usn/USN-2951-1Third Party Advisory
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/59/Patch

Timeline

Published: Apr 13, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2191?

How severe is CVE-2016-2191?

Severity scoring for CVE-2016-2191 is pending analysis. The EPSS model estimates a 3.53% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2191?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2191?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST