CVE-2019-12730 Other in n/a

Critical 9.8 Published 4 Jun 2019 Updated 4 Aug 2024

FFmpeg fails to check sscanf return values, leading to use of uninitialized variables which may cause crashes or undefined behavior.

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

What is CVE-2019-12730?

CVE-2019-12730 is a critical vulnerability in Ffmpeg Ffmpeg, published on 4 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

aa_read_header in libavformat/aadec.c in FFmpeg before 3.2.14 and 4.x before 4.1.4 does not check for sscanf failure and consequently allows use of uninitialized variables.

Weakness: CWE-908

Which versions are affected by CVE-2019-12730?

It affects 1 product.

Products include Ffmpeg Ffmpeg.

How do I fix CVE-2019-12730?

Upgrade to a fixed version.

Is CVE-2019-12730 being exploited?

There is no known exploitation of CVE-2019-12730 in the wild and no public exploit code.

All Ffmpeg Ffmpeg vulnerabilities

Sources

Also known as CLEANSTART-2024-XM83802, DEBIAN-CVE-2019-12730, DSA-4502-1, GHSA-qvcr-p33x-3v45, UBUNTU-CVE-2019-12730.