UBUNTU-CVE-2020-20450

See a problem?
Please try reporting it to the source first.
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 

{
    "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"
        }
    ]
}