OESA-2026-4147 ffmpeg security update

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash. Security Fixes: A memory corruption...

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: Out-of-bounds Write

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...