CVE-2020-22020
ffmpeg: Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which coul...
CVE-2020-22020 is fixed in 25 products on 1 platform, first by ffmpeg 7:3.4.11-0ubuntu0.1, released August 11, 2023. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0152
74th percentile
Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ffmpeg · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | ffmpeg 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| ffmpeg · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | ffmpeg 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec-extra · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavcodec-extra 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec-extra · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavcodec-extra 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec-extra57 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavcodec-extra57 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec-extra58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavcodec-extra58 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec57 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavcodec57 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavcodec58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavcodec58 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavdevice57 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavdevice57 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavdevice58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavdevice58 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter-extra · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavfilter-extra 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter-extra · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavfilter-extra 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter-extra6 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavfilter-extra6 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter-extra7 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavfilter-extra7 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter6 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavfilter6 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavfilter7 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavfilter7 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavformat57 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavformat57 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavformat58 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavformat58 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavresample3 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavresample3 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavresample4 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavresample4 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libavutil55 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libavutil55 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libavutil56 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libavutil56 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libpostproc54 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libpostproc54 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libpostproc55 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libpostproc55 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libswresample2 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libswresample2 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libswresample3 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libswresample3 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
| libswscale4 · Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 | libswscale4 7:3.4.11-0ubuntu0.1 | Aug 11, 2023 |
| libswscale5 · Ubuntu 20.04 LTS (focal) | 7:4.2.7-0ubuntu0.1 | libswscale5 7:4.2.7-0ubuntu0.1 | Aug 11, 2023 |
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