Vulnerability Description
FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25341
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/imfdec.c#L273
- https://www.vulncheck.com/advisories/ffmpeg-5.0-through-9.0.2-path-traversal-via
FAQ
What is CVE-2026-120210?
CVE-2026-120210 is a vulnerability with a CVSS score of 4.3 (MEDIUM). FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply...
How severe is CVE-2026-120210?
CVE-2026-120210 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-120210?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.