# libswresample3 7:4.2.4-1ubuntu0.1: libswresample3 7:4.2.4-1ubuntu0.1 for Ubuntu 20.04 LTS (focal)

libswresample3 7:4.2.4-1ubuntu0.1, released June 2, 2021, fixes 7 CVEs in libswresample3. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-focal-libswresample3-7-4.2.4-1ubuntu0.1
- Platform: Linux
- Released: Jun 2, 2021
- Priority: Routine (Closes 7 CVEs, none high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libswresample3](https://patchblox.com/security/data/product/linux/libswresample3.md) | Ubuntu 20.04 LTS (focal) | 7:4.2.4-1ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-12284](https://patchblox.com/security/data/cve/CVE-2020-12284.md) | Routine | ffmpeg: cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG... | n/a | 0.0385 |  |
| [CVE-2019-13312](https://patchblox.com/security/data/cve/CVE-2019-13312.md) | Routine | libavfilter7: block_cmp() in libavcodec/zmbvenc.c in FFmpeg 4.1.3 has a heap-based buffer over-read. | n/a | 0.0171 |  |
| [CVE-2020-22016](https://patchblox.com/security/data/cve/CVE-2020-22016.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability in FFmpeg 4.2 at libavcodec/get_bits.h when writing .mov files, which migh... | n/a | 0.0161 |  |
| [CVE-2020-13904](https://patchblox.com/security/data/cve/CVE-2020-13904.md) | Routine | ffmpeg: FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in lib... | n/a | 0.0132 |  |
| [CVE-2020-22049](https://patchblox.com/security/data/cve/CVE-2020-22049.md) | Routine | ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wt... | n/a | 0.0132 |  |
| [CVE-2020-22054](https://patchblox.com/security/data/cve/CVE-2020-22054.md) | Routine | ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_dict_set function in dict.c. | n/a | 0.0132 |  |
| [CVE-2020-22046](https://patchblox.com/security/data/cve/CVE-2020-22046.md) | Routine | ffmpeg-4: Security update for ffmpeg-4 | n/a | 0.0098 |  |

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Data as of 2026-11-12T19:57:06Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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