CVE-2026-30754

A flaw was found in FFmpeg. This memory corruption vulnerability occurs during the Real-time Transport Protocol RTP encoding of H.264/HEVC streams. A remote attacker could exploit this by providing a specially crafted input file, leading to a negative size parameter being passed to a memory copy...

Linux Distros Unpatched Vulnerability : CVE-2026-30754

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nalsend function in libavformat/rtpench264hevc.c, a negative siz...

DEBIAN-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...

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: 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...

PT-2026-88459

A memory corruption vulnerability exists in FFmpeg before 8.1. The RTP encoding process. In the nal send function in libavformat/rtpenc h264 hevc.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 usi...

CVE-2026-30754

FFmpeg versions prior to 8.1 are susceptible to a memory corruption vulnerability within the RTP encoding process. The issue resides in the nal_send function of libavformat/rtpenc_h264_hevc.c, where a crafted input file can cause a negative size parameter (size=-3) to be passed to memcpy during H...

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...