UBUNTU-CVE-2020-20450

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Source
https://ubuntu.com/security/CVE-2020-20450
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-20450.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-20450
Upstream
Downstream
Related
Published
2021-05-25T19:15:00Z
Modified
2025-09-08T16:46:16Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

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 

{
    "binaries": [
        {
            "binary_version": "7:4.2.7-0ubuntu0.1",
            "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"
        }
    ],
    "availability": "No subscription required"
}