# libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1: libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)

libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1, released April 17, 2019, fixes 4 CVEs in libavfilter-extra. 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-bionic-libavfilter-extra-7-3.4.6-0ubuntu0.18.04.1
- Platform: Linux
- Released: Apr 17, 2019
- Priority: Routine (Closes 4 CVEs, none high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libavfilter-extra](https://patchblox.com/security/data/product/linux/libavfilter-extra.md) | Ubuntu 18.04.6 LTS (bionic) | 7:3.4.6-0ubuntu0.18.04.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-15822](https://patchblox.com/security/data/cve/CVE-2018-15822.md) | Routine | ffmpeg: The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet,... | n/a | 0.0327 |  |
| [CVE-2019-11338](https://patchblox.com/security/data/cve/CVE-2019-11338.md) | Routine | ffmpeg: libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote atta... | n/a | 0.0235 |  |
| [CVE-2019-9718](https://patchblox.com/security/data/cve/CVE-2019-9718.md) | Routine | libavresample3: In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted vide... | n/a | 0.0157 |  |
| [CVE-2019-9721](https://patchblox.com/security/data/cve/CVE-2019-9721.md) | Routine | ffmpeg: A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video... | n/a | 0.0144 |  |

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