ubuntu-cve-2020-12284
Vulnerability from osv_ubuntu
Published
2020-04-28 06:15
Modified
2026-04-22 07:39
Summary
Details

cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ffmpeg",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra58",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavcodec58",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavdevice58",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra7",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavfilter7",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavformat58",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavresample4",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libavutil56",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libpostproc55",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libswresample3",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          },
          {
            "binary_name": "libswscale5",
            "binary_version": "7:4.2.4-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "ffmpeg",
        "purl": "pkg:deb/ubuntu/ffmpeg@7:4.2.4-1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7:4.2.4-1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7:4.1.4-1build2",
        "7:4.2.1-2",
        "7:4.2.1-2ubuntu1",
        "7:4.2.2-1build1",
        "7:4.2.2-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.",
  "id": "UBUNTU-CVE-2020-12284",
  "modified": "2026-04-22T07:39:23Z",
  "published": "2020-04-28T06:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12284"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4431-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-12284"
    }
  ],
  "related": [
    "USN-4431-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-12284"
  ]
}



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