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high advisory

Critical Out-of-Bounds Write Vulnerability in FFmpeg (CVE-2026-65706)

A critical out-of-bounds write vulnerability (CVE-2026-65706) exists in FFmpeg versions 3.0 through 8.1.2 within the vf_swaprect video filter, allowing attackers to corrupt heap memory and achieve potential remote code execution by providing a specially crafted NV12 video frame with odd width dimensions.

FFmpeg versions 3.0 through 8.1.2 vulnerability RCE out-of-bounds-write video-processing FFmpeg
1t 1c
high advisory

Out-of-Bounds Write Vulnerability in FFmpeg vf_floodfill Filter (CVE-2026-65705)

A critical out-of-bounds write vulnerability exists in FFmpeg versions 3.4 through 8.1.2 within the vf_floodfill video filter, which attackers can exploit by providing a specially crafted, dynamically sized video stream with filtergraph reinitialization disabled via -reinit_filter 0, leading to heap corruption, a process crash, and potentially remote code execution.

FFmpeg versions 3.4 through 8.1.2 cve vulnerability out-of-bounds-write ffmpeg video-processing
1c