# libavfilter6 7:3.4.11-0ubuntu0.1: libavfilter6 7:3.4.11-0ubuntu0.1 for Ubuntu 18.04.6 LTS (bionic)

libavfilter6 7:3.4.11-0ubuntu0.1, released August 11, 2023, fixes 31 CVEs in libavfilter6. 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-libavfilter6-7-3.4.11-0ubuntu0.1
- Platform: Linux
- Released: Aug 11, 2023
- Priority: Routine (Closes 31 CVEs, none high severity)
- CVEs: 31, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libavfilter6](https://patchblox.com/security/data/product/linux/libavfilter6.md) | Ubuntu 18.04.6 LTS (bionic) | 7:3.4.11-0ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-22015](https://patchblox.com/security/data/cve/CVE-2020-22015.md) | Routine | ffmpeg: Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in libavformat/movenc.c,... | n/a | 0.0357 |  |
| [CVE-2021-38291](https://patchblox.com/security/data/cve/CVE-2021-38291.md) | Routine | ffmpeg: Fixed an assertion failure at src/libavutil/mathematics.c (bsc#1189428) | n/a | 0.0269 |  |
| [CVE-2021-38171](https://patchblox.com/security/data/cve/CVE-2021-38171.md) | Routine | ffmpeg: adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is... | n/a | 0.0241 |  |
| [CVE-2020-35965](https://patchblox.com/security/data/cve/CVE-2020-35965.md) | Routine | ffmpeg: decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when... | n/a | 0.0231 |  |
| [CVE-2020-21041](https://patchblox.com/security/data/cve/CVE-2020-21041.md) | Routine | ffmpeg: Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let... | n/a | 0.0207 |  |
| [CVE-2020-22025](https://patchblox.com/security/data/cve/CVE-2020-22025.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists in gaussian_blur at libavfilter/vf_edgedetect.c, which might lead t... | n/a | 0.0184 |  |
| [CVE-2020-22032](https://patchblox.com/security/data/cve/CVE-2020-22032.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in gaussian_blur, which m... | n/a | 0.0184 |  |
| [CVE-2020-20453](https://patchblox.com/security/data/cve/CVE-2020-20453.md) | Routine | ffmpeg: FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, which allows a remote malicious user to cau... | n/a | 0.0178 |  |
| [CVE-2020-21688](https://patchblox.com/security/data/cve/CVE-2020-21688.md) | Routine | ffmpeg: A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary... | n/a | 0.0173 |  |
| [CVE-2020-20446](https://patchblox.com/security/data/cve/CVE-2020-20446.md) | Routine | ffmpeg: FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cau... | n/a | 0.0173 |  |
| [CVE-2020-22036](https://patchblox.com/security/data/cve/CVE-2020-22036.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.c, which migh... | n/a | 0.0173 |  |
| [CVE-2020-22028](https://patchblox.com/security/data/cve/CVE-2020-22028.md) | Routine | ffmpeg: Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_vertically_8 at libavfilter/vf_avgblur.c, which could ca... | n/a | 0.0171 |  |
| [CVE-2020-22031](https://patchblox.com/security/data/cve/CVE-2020-22031.md) | Routine | ffmpeg: A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, w... | n/a | 0.0169 |  |
| [CVE-2020-22021](https://patchblox.com/security/data/cve/CVE-2020-22021.md) | Routine | ffmpeg-4: Fixed Buffer Overflow vulnerability in filter_edges function in libavfilter/vf_yadif.c (bsc#1186586) | n/a | 0.0168 |  |
| [CVE-2020-20445](https://patchblox.com/security/data/cve/CVE-2020-20445.md) | Routine | ffmpeg: FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause... | n/a | 0.0165 |  |
| [CVE-2020-22034](https://patchblox.com/security/data/cve/CVE-2020-22034.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_floodfill.c, which might lead to memor... | n/a | 0.0162 |  |
| [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-2020-22022](https://patchblox.com/security/data/cve/CVE-2020-22022.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_fieldorder.c, which... | n/a | 0.0161 |  |
| [CVE-2020-22037](https://patchblox.com/security/data/cve/CVE-2020-22037.md) | Routine | libavcodec-extra57: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c. | n/a | 0.0160 |  |
| [CVE-2020-22020](https://patchblox.com/security/data/cve/CVE-2020-22020.md) | Routine | ffmpeg: Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which coul... | n/a | 0.0152 |  |
| [CVE-2020-22033](https://patchblox.com/security/data/cve/CVE-2020-22033.md) | Routine | ffmpeg: A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, wh... | n/a | 0.0150 |  |
| [CVE-2020-22023](https://patchblox.com/security/data/cve/CVE-2020-22023.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.c, w... | n/a | 0.0146 |  |
| [CVE-2020-22017](https://patchblox.com/security/data/cve/CVE-2020-22017.md) | Routine | ffmpeg: A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in libavfilter/drawutils.c, whic... | n/a | 0.0143 |  |
| [CVE-2020-22026](https://patchblox.com/security/data/cve/CVE-2020-22026.md) | Routine | ffmpeg: Buffer Overflow vulnerability exists in FFmpeg 4.2 in the config_input function at libavfilter/af_tremolo.c, which co... | n/a | 0.0137 |  |
| [CVE-2020-20451](https://patchblox.com/security/data/cve/CVE-2020-20451.md) | Routine | libavutil56: Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c. | n/a | 0.0135 |  |
| [CVE-2020-22019](https://patchblox.com/security/data/cve/CVE-2020-22019.md) | Routine | ffmpeg: Buffer Overflow vulnerability in FFmpeg 4.2 at convolution_y_10bit in libavfilter/vf_vmafmotion.c, which could let a... | n/a | 0.0109 |  |
| [CVE-2021-38114](https://patchblox.com/security/data/cve/CVE-2021-38114.md) | Routine | libavutil55: libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-... | n/a | 0.0099 |  |
| [CVE-2020-22042](https://patchblox.com/security/data/cve/CVE-2020-22042.md) | Routine | ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak is affected by: memory leak in the link_f... | n/a | 0.0093 |  |
| [CVE-2020-21697](https://patchblox.com/security/data/cve/CVE-2020-21697.md) | Routine | ffmpeg: A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a... | n/a | 0.0092 |  |
| [CVE-2020-22041](https://patchblox.com/security/data/cve/CVE-2020-22041.md) | Routine | ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_buffersrc_add_frame_flags funct... | n/a | 0.0090 |  |
| [CVE-2021-28429](https://patchblox.com/security/data/cve/CVE-2021-28429.md) | Routine | ffmpeg: Integer overflow vulnerability in av_timecode_make_string in libavutil/timecode.c in FFmpeg version 4.3.2, allows loc... | 5.5 | 0.0020 |  |

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Data as of 2026-11-11T07:45:43Z 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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