CVE-2026-75143

FFmpeg before commit 1c10bcc contains a heap buffer overflow in the RIST protocol reader libavformat/librist.c. libristread ignored its size argument and copied the full received payload length into the caller-provided destination buffer, overflowing it when the payload exceeds the destination...

PT-2026-78526

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to commit 1c10bcc Description A heap buffer overflow exists in the RIST protocol reader within libavformat/librist.c. The function librist read fails to respect its size argument, copying the entire received payload lengt...