OPENSUSE-SU-2026:21522-1 Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues: Changes in ffmpeg-4: - CVE-2026-64835: Out-of-Bounds Memory Access in ADX Audio Decoder bsc1272758 - CVE-2026-64832: Double-Free in NVDEC Hardware Decoder via nvdec.c bsc1272754 - CVE-2026-64830: Heap Buffer Overflow via VobSub Subtitle Demuxer...

CVE-2026-64832: Double Free

FFmpeg versions 4.4 through 8.1.2 contain a double-free vulnerability in the NVIDIA NVDEC hardware decoder within libavcodec/nvdec.c that allows attackers to trigger memory corruption by supplying a crafted video file. When no decoder surfaces remain, the ffnvdecstartframesepref error path frees...