{
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        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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      "ecosystem_specific": {},
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        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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      ]
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      "ecosystem_specific": {},
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        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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      "ranges": [
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              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.20",
        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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          "type": "ECOSYSTEM"
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      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.21",
        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
      },
      "ranges": [
        {
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              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.22",
        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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      "ecosystem_specific": {},
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        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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            {
              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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          "type": "ECOSYSTEM"
        }
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    },
    {
      "ecosystem_specific": {},
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        "name": "ffmpeg",
        "purl": "pkg:apk/alpine/ffmpeg?arch=source"
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              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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          "type": "ECOSYSTEM"
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      ]
    },
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        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
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              "introduced": "0"
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            {
              "fixed": "4.3-r0"
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          "type": "ECOSYSTEM"
        }
      ]
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    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.17",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.18",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
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          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.19",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
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        "ecosystem": "Alpine:v3.20",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.21",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.22",
        "name": "ffmpeg4",
        "purl": "pkg:apk/alpine/ffmpeg4?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "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": "ALPINE-CVE-2020-12284",
  "modified": "2026-11-03T06:17:57.060473022Z",
  "published": "2020-04-28T06:15:10.777Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.alpinelinux.org/vuln/CVE-2020-12284"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2020-12284"
  ]
}