CVE-2026-30997 Denial of service in n/a
Attackers can cause a Denial of Service in FFmpeg via a crafted input triggering an out-of-bounds read in the AV1 decoder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-30997?
CVE-2026-30997 is a high-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 13 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Weakness: CWE-125
Which versions are affected by CVE-2026-30997?
It affects 1 product.
Linux distribution packages (5)
ffmpeg-7 SUSE:Linux Enterprise Server 16.0 | All versions | 7.1.4-160000.2.1 |
ffmpeg-7 SUSE:Linux Enterprise Server for SAP applications 16.0 | All versions | 7.1.4-160000.2.1 |
ffmpeg-7 openSUSE:Leap 16.0 | All versions | 7.1.4-160000.2.1 |
ffmpeg-4 openSUSE:Tumbleweed | All versions | 4.4.7-3.1 |
ffmpeg-7 openSUSE:Tumbleweed | All versions | 7.1.4-3.1 |
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2026-30997?
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-2026-30997 being exploited?
There is no known exploitation of CVE-2026-30997 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2026-30997, ECHO-2ba2-f811-ba46, GHSA-rg96-8jmp-9mwc, JLSEC-2026-649, MINI-m485-v9p2-4f36, OESA-2026-2315 and 6 more.