CVE-2026-30998 Denial of service in n/a
Attackers can cause a Denial of Service in FFmpeg by supplying a crafted input file to the zmqsend tool.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-30998?
CVE-2026-30998 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 improper resource deallocation and closure vulnerability in the tools/zmqsend.c component of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input file.
Weakness: CWE-400
Which versions are affected by CVE-2026-30998?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2026-30998?
Upgrade to a fixed version.
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-2026-30998 being exploited?
There is no known exploitation of CVE-2026-30998 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as GHSA-83ph-9qxx-hfjx, JLSEC-2026-650, MINI-j3fg-45qv-h4v4, UBUNTU-CVE-2026-30998.