CVE-2026-65703 | FFmpeg up to 8.1.2 TDSC video decoder tdsc_parse_tdsf out-of-bounds write (WID-SEC-2026-2510)

A vulnerability categorized as critical has been discovered in FFmpeg up to 8.1.2. This issue affects the function tdsc_parse_tdsf of the component TDSC video decoder. The manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2026-65703. The attack can be launched remotely. No exploit exists. It is best practice to apply a patch to resolve this issue.