UBUNTU-CVE-2020-22029

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Source
https://ubuntu.com/security/CVE-2020-22029
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-22029.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-22029
Upstream
Downstream
Related
Published
2021-05-27T18:15:00Z
Modified
2025-09-08T16:46:16Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vfcolorconstancy.c: in slicegetderivative, which crossfadesamples_fltp, which might lead to memory corruption and other potential consequences.

References

Affected packages

Ubuntu:20.04:LTS / ffmpeg

Package

Name
ffmpeg
Purl
pkg:deb/ubuntu/ffmpeg@7:4.2.7-0ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7:4.2.7-0ubuntu0.1

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
7:4.2.4-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ffmpeg",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavcodec-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavcodec-extra58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavcodec58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavdevice-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavdevice58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavfilter-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavfilter-extra",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavfilter-extra7",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavfilter7",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavformat-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavformat58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavresample-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavresample4",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavutil-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libavutil56",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libpostproc-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libpostproc55",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libswresample-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libswresample3",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libswscale-dev",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name": "libswscale5",
            "binary_version": "7:4.2.7-0ubuntu0.1"
        }
    ]
}