CVE-2016-3981

Name: CVE-2016-3981
Creator: NVD / NIST
Published: 2016-04-13T16:59:23.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.43%

Last modified Jun 17, 2026

CVE-2016-3981 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the bmp_read_rows function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file.. EPSS estimates a 4.43% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the bmp_read_rows function in pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (out-of-bounds read or write access and crash) or possibly execute arbitrary code via a crafted image file.

Metrics

EPSS Probability

4.43%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Optipng Project	Optipng	<= 0.7.5
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0

References

http://bugs.fi/media/afl/optipng/1/Exploit
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3546Third Party Advisory
http://www.ubuntu.com/usn/USN-2951-1Third Party Advisory
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/56/Issue Tracking, Patch, Third Party Advisory
http://bugs.fi/media/afl/optipng/1/Exploit
http://lists.opensuse.org/opensuse-updates/2016-04/msg00061.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-04/msg00065.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3546Third Party Advisory
http://www.ubuntu.com/usn/USN-2951-1Third Party Advisory
https://security.gentoo.org/glsa/201608-01
https://sourceforge.net/p/optipng/bugs/56/Issue Tracking, Patch, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2016-3981?

How severe is CVE-2016-3981?

Severity scoring for CVE-2016-3981 is pending analysis. The EPSS model estimates a 4.43% probability of exploitation in the next 30 days.

How do I fix CVE-2016-3981?

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-2016-3981?

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

Scan your code now

Source: NVD / NIST