UBUNTU-CVE-2020-22056

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Source

https://ubuntu.com/security/CVE-2020-22056

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-22056.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-22056

Upstream

CVE-2020-22056

Withdrawn

2025-07-18T16:46:00Z

Published

2021-06-02T18:15:00Z

Modified

2025-07-16T08:25:08Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the config_input function in af_acrossover.c.

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

0 Unknown 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":  "ffmpeg-dbgsym",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name":  "ffmpeg-doc",
            "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":  "libavcodec-extra58-dbgsym",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name":  "libavcodec58",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name":  "libavcodec58-dbgsym",
            "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":  "libavdevice58-dbgsym",
            "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":  "libavfilter-extra7-dbgsym",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name":  "libavfilter7",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        },
        {
            "binary_name":  "libavfilter7-dbgsym",
            "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":  "libavformat58-dbgsym",
            "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":  "libavresample4-dbgsym",
            "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":  "libavutil56-dbgsym",
            "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":  "libpostproc55-dbgsym",
            "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":  "libswresample3-dbgsym",
            "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"
        },
        {
            "binary_name":  "libswscale5-dbgsym",
            "binary_version":  "7:4.2.7-0ubuntu0.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-22056.json"

Ubuntu:Pro:20.04:LTS / ffmpeg