CVE-2026-125244
7.8 HIGHpublic exploit availablePublished 2026-11-09 · Updated 2026-11-10
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an out-of-bounds write vulnerability in the VVC decoder's sh_entry_points() function in libavcodec/vvc/ps.c. Attackers can supply a crafted VVC (H.266) bitstream whose SPS/PPS tile and WPP layout produces excess entry points, overflowing entry_point_start_ctu and corrupting decoder memory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-787
Public exploit & PoC references
All references
- https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24537
- https://github.com/FFmpeg/FFmpeg
- https://github.com/FFmpeg/FFmpeg/blob/n9.0.1/libavcodec/vvc/ps.c#L1453
- https://github.com/FFmpeg/FFmpeg/commit/a809a784ec9ff9910161c6c9554a041941d6ccce
- https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-and-9-x-before-9.0.2-vvc-decoder-out-of-bounds-write-via-sh-entry-points
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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