CVE-2026-65706

CVE-2026-65706 affects FFmpeg versions 3.0–8.1.2. The vulnerability lies in the vf_swaprect video filter, where the filter_frame() reuses a temporary row buffer sized for plane 0’s single-byte pixel step across all planes. This leads to an out-of-bounds write: an 18-byte memcpy is performed into ...

CVE-2026-65706 FFmpeg 3.0 - 8.1.2 vf_swaprect Out-of-Bounds Write via NV12 Frame Processing

FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vfswaprect video filter that allows attackers to corrupt heap memory by supplying a crafted NV12 video frame with odd width dimensions. The filterframe function reuses a temporary row buffer sized for plane 0's...