CVE-2026-64831 FFmpeg 8.0 - 8.1.2 Stack Buffer Overflow in Vulkan HEVC Decoder

FFmpeg versions 8.0 through 8.1.2 contains a stack buffer overflow vulnerability in the Vulkan HEVC hardware decoder that allows remote attackers to overwrite return addresses and adjacent stack frames by supplying a crafted HEVC/H.265 bitstream. Attackers can embed a malicious vpsnumhrdparameter...