CVE-2026-30754

A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nalsend function in libavformat/rtpench264hevc.c, a negative size parameter size=-3 is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using...

CVE-2026-30754

A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nalsend function in libavformat/rtpench264hevc.c, a negative size parameter size=-3 is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using...

EUVD-2026-74264

A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nalsend function in libavformat/rtpench264hevc.c, a negative size parameter size=-3 is passed to memcpy when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using...

CVE-2026-30754

A memory corruption vulnerability in FFmpeg before 8.1 occurs in the nal_send function within libavformat/rtpenc_h264_hevc.c . When transmitting H.264/HEVC streams via RTP, a crafted input file causes a negative size parameter (size=-3) to be passed to memcpy , leading to memory corruption. The i...