CVE-2026-30754
8.8 ÉlevéeDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.8 Élevée | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20746 Issue TrackingPatch
- https://gist.github.com/momo-trip/4cddf2c9e15600873de55259dac6b0e6 Third Party Advisory
- https://github.com/momo-trip/poc_ffmpeg Exploit