CVE-2026-75147

FFmpeg versions before commit 983dae9 have an out-of-bounds read in the AV1 RTP packetizer (libavformat/rtpenc_av1.c). A crafted OBU size causes the remaining-size counter to wrap, letting the keyframe-detection loop dereference a pointer past the packet buffer. CVSS 3.1 scores 7.1 (HIGH). No in-...