high8.8
CVE-2026-30754
A memory corruption vulnerability exists in FFmpeg before 8.1.
Impact
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 using AddressSanitizer.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ffmpeg | Ffmpeg | before 8.1 |