CVE-2016-6920 Memory corruption in n/a

High 7.5 Published 23 Jan 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service via a heap-based buffer overflow in FFmpeg's EXR decoder, affecting applications using the library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2016-6920?

CVE-2016-6920 is a high-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Heap-based buffer overflow in the decode_block function in libavcodec/exr.c in FFmpeg before 3.1.3 allows remote attackers to cause a denial of service (application crash) via vectors involving tile positions.

Weakness: CWE-119

Which versions are affected by CVE-2016-6920?

It affects 1 product.

Products include Ffmpeg Ffmpeg.

How do I fix CVE-2016-6920?

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-2016-6920 being exploited?

There is no known exploitation of CVE-2016-6920 in the wild and no public exploit code.

All Ffmpeg Ffmpeg vulnerabilities

Sources

Also known as DEBIAN-CVE-2016-6920, GHSA-7vg8-m2g2-c979.