CVE-2016-3981 Memory corruption in n/a

What is CVE-2016-3981?

CVE-2016-3981 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 13 Apr 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2016-3981?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Optipng Project Optipng.

How do I fix CVE-2016-3981?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-3981 being exploited?

There is no known exploitation of CVE-2016-3981 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-3981, GHSA-cjrq-gcqj-47wm, UBUNTU-CVE-2016-3981.