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CVE-2026-64833

7.1 high SSVC exploitation: none Analyzed
NVD · CVE.org

FFmpeg versions 0.7.1 through 8.1.2 contain an out-of-bounds read vulnerability in the S/PDIF muxer that allows attackers to access memory beyond buffer boundaries by supplying a crafted DTS stream with a core_size value larger than the actual packet length. Attackers can exploit the missing bounds check in the spdif_header_dts4 function by providing a malicious DTS-HD audio stream during S/PDIF re-muxing to trigger unauthorized memory reads beyond the packet buffer.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.1 · ffmpegNVD modified 2026-10-24 15:10

Affected (CPE criteria) 1

  • cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

References 3