GHSA-9J42-4J78-G4MH

Vulnerability from github – Published: 2023-10-27 21:30 – Updated: 2025-08-11 12:30
VLAI?
Details

FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2023-46407"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-27T20:15:09Z",
    "severity": "MODERATE"
  },
  "details": "FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.",
  "id": "GHSA-9j42-4j78-g4mh",
  "modified": "2025-08-11T12:30:35Z",
  "published": "2023-10-27T21:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-46407"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962"
    },
    {
      "type": "WEB",
      "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com"
    },
    {
      "type": "WEB",
      "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen@gmail.com"
    },
    {
      "type": "WEB",
      "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com"
    },
    {
      "type": "WEB",
      "url": "https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen@gmail.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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