VulnerabilityAnalyzed

CVE-2026-30998

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.

HIGH 7.5EPSS 0.40%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.40% probability · 34th percentile
CISA KEV: Not listed
Weakness: CWE-400
Affected: ffmpeg/ffmpeg
Source: cve@mitre.org

References

https://excellent-oatmeal-319.notion.site/CVE-2026-30998-Resource-Leak-3265a71f9cca4dc58df4632ce8b60a50Exploit, Third Party Advisory
https://ffmpeg.org/doxygen/7.0/zmqsend_8c_source.htmlProduct
https://github.com/FFmpeg/FFmpeg/blob/master/tools/zmqsend.cProduct

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.