# CVE-2020-22046: ffmpeg-4: This update for ffmpeg-4 fixes the following issues:  - CVE-2022-48434: Fixed use after free in libavcodec/pthread_fr...

CVE-2020-22046 is fixed in 15 products on 1 platform, first by ffmpeg 7:4.2.4-1ubuntu0.1, released June 2, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-22046
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0098
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 2, 2021

## Description

This update for ffmpeg-4 fixes the following issues:  - CVE-2022-48434: Fixed use after free in libavcodec/pthread_frame.c (bsc#1209934) - CVE-2020-22021: Fixed Buffer Overflow vulnerability in filter_edges function in libavfilter/vf_yadif.c (bsc#1186586)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ffmpeg Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [ffmpeg 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ffmpeg-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | ffmpeg-4 opensuse-leap 15.6 | 4.4.5-150600.13.19.1 | [SUSE-SU-2025:0958-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0958-1.md) | Mar 19, 2025 |
| Linux | ffmpeg-4 sles 15.6 | 4.4.5-150600.13.19.1 | [SUSE-SU-2025:0958-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0958-1.md) | Mar 19, 2025 |
| Linux | libavcodec-extra Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavcodec-extra 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavcodec-extra-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavcodec-extra58 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavcodec-extra58 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavcodec-extra58-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavcodec58 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavcodec58 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavcodec58-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavdevice58 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavdevice58 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavdevice58-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavfilter-extra Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavfilter-extra 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavfilter-extra-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavfilter-extra7 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavfilter-extra7 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavfilter-extra7-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavfilter7 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavfilter7 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavfilter7-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavformat58 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavformat58 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavformat58-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavresample4 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavresample4 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavresample4-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libavutil56 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libavutil56 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libavutil56-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libpostproc55 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libpostproc55 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpostproc55-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libswresample3 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libswresample3 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libswresample3-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |
| Linux | libswscale5 Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 | [libswscale5 7:4.2.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libswscale5-7-4.2.4-1ubuntu0.1.md) | Jun 2, 2021 |

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