UBUNTU-CVE-2020-12284

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Source
https://ubuntu.com/security/CVE-2020-12284
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12284.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-12284
Upstream
Downstream
Related
Published
2020-04-28T06:15:00Z
Modified
2026-04-22T14:01:24Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
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.

References

Affected packages

Ubuntu:20.04:LTS / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/ubuntu/ffmpeg@7:4.2.4-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
7:4.2.4-1ubuntu0.1

Affected versions

7:4.*
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

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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12284.json"