ffmpeg: A flaw was found in FFmpeg
CVE-2026-18393 is fixed in ffmpeg on 1 platform by DEBIAN-CVE-2026-18393 (version 7:8.1.1-1), released September 1, 2026. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in FFmpeg. The tdsc_load_cursor() function writes beyond the bounds of a heap-allocated buffer when processing crafted TDSC cursor data. A remote attacker could exploit this by supplying a specially crafted video file, potentially leading to a denial of service or arbitrary code execution.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ffmpeg · Debian 14 | 7:8.1.1-1 | DEBIAN-CVE-2026-18393 | Sep 1, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.