CVE-2026-66036

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vfhqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases between frames when filtergraph reinitialization is disabled via the...

CVE-2026-65705

FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vffloodfill video filter that allows attackers to corrupt heap memory by supplying a dynamically sized video stream with filtergraph reinitialization disabled via -reinitfilter 0. When configinput allocates the...

PT-2026-64156

Name of the Vulnerable Software and Affected Versions FFmpeg versions 3.4 through 8.1.2 Description An out-of-bounds write issue exists in the vf floodfill video filter. This occurs when a dynamically sized video stream is supplied while filtergraph reinitialization is disabled via -reinit filter...