CVE-2026-125239 - FFmpeg through 9.0.2 Heap Buffer Overflow via HEVC DXVA Tile Parameters

CVE-2026-125239 - FFmpeg through 9.0.2 Heap Buffer Overflow via HEVC DXVA Tile Parameters

https://cvefeed.io/rssfeed/latest.atom / Mon, 11/09/2026 - 22:52
CVE ID :CVE-2026-125239
Published : Nov. 9, 2026, 7:17 p.m. | 1 hour, 11 minutes ago
Description :FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in ff_dxva2_hevc_fill_picture_parameters() that allows attackers to corrupt memory via unbounded non-uniform tile counts. Attackers can supply crafted HEVC bitstreams with many non-uniformly spaced tiles to write controlled 16-bit values past fixed-size DXVA arrays during DXVA2, D3D11VA, or D3D12VA decoding on Windows.
Severity: 7.3 | HIGH
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