This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-64833 →
UBUNTU-CVE-2026-64833
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 buff...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Ubuntu:Pro:14.04:LTS
libav
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:16.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.8.17-0ubuntu0.1+esm17"}]}]
Ubuntu:Pro:18.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.11-0ubuntu0.1+esm15"}]}]
Ubuntu:Pro:20.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.2.7-0ubuntu0.1+esm16"}]}]
Ubuntu:Pro:22.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.4.2-0ubuntu0.22.04.1+esm15"}]}]
Ubuntu:Pro:24.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:6.1.1-3ubuntu5+esm13"}]}]
Ubuntu:26.10
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:26.04:LTS
ffmpeg
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:8.0.1-3ubuntu2+esm4"}]}]
References
- advisory ubuntu.com
- advisory ubuntu.com
- report ubuntu.com
- report cve.org
- report code.ffmpeg.org