CVE-2026-18393
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.
- Published Aug 28, 2026
- CVSS 5.4 medium
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available