CVE-2020-20898: Integer Overflow

Q: What is CVE-2020-20898?

CVE-2020-20898 is an integer overflow vulnerability in the function filter16_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1.

Q: What is the severity of CVE-2020-20898?

The severity of CVE-2020-20898 is high, with a severity value of 8.8.

Q: What is the impact of CVE-2020-20898?

CVE-2020-20898 can cause a Denial of Service or other unspecified impacts.

Q: How can I mitigate CVE-2020-20898?

To mitigate CVE-2020-20898, update to the latest version of Ffmpeg or apply the relevant patches.

Q: Where can I find more information about CVE-2020-20898?

You can find more information about CVE-2020-20898 at the following references: [link1](https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23), [link2](https://trac.ffmpeg.org/ticket/8263), [link3](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20898).

Published Sep 20, 2021

Updated

Integer Overflow vulnerability in function filter16prewitt in libavfilter/vfconvolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

Affected Software

4 affected componentsFixes available

debian/ffmpeg<=7:4.1.9-0+deb10u1, <=7:4.1.11-0+deb10u1

7:4.3.6-0+deb11u17:5.1.4-0+deb12u17:6.1.1-1

ubuntu/ffmpeg<7:4.2.7-0ubuntu0.1+

7:4.2.7-0ubuntu0.1+

ubuntu/ffmpeg<7:4.3-2

7:4.3-2

FFmpeg FFmpeg=4.2.1

Remediation

Patch Available

https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/99f8d32129dd233d4eb2efa44678a0bc44869f23

Event History

Sep 20, 2021

CVE Published

via Ubuntu·12:00 AM

CVE Published

via MITRE·03:19 PM

Data Sourced

via MITRE·03:19 PM

Description

Jan 11, 2024

Data Sourced

via Launchpad·11:44 PM

Description

Parent advisories

This vulnerability appears in the following advisories.

USN-6449-1

Frequently Asked Questions

What is CVE-2020-20898?