CVE-2019-1000016 Denial of service in n/a
A specially crafted AV1 file can cause a denial of service in FFmpeg due to improper array index validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-1000016?
CVE-2019-1000016 is a medium-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 4 Feb 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
FFMPEG version 4.1 contains a CWE-129: Improper Validation of Array Index vulnerability in libavcodec/cbs_av1.c that can result in Denial of service. This attack appears to be exploitable via specially crafted AV1 file has to be provided as input. This vulnerability appears to have been fixed in after commit b97a4b658814b2de8b9f2a3bce491c002d34de31.
Weakness: CWE-129
Which versions are affected by CVE-2019-1000016?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2019-1000016?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-1000016 being exploited?
There is no known exploitation of CVE-2019-1000016 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as CLEANSTART-2024-DU40050, DEBIAN-CVE-2019-1000016, GHSA-hc9w-x35j-3w9c, JLSEC-2025-101.