# SUSE-SU-2026:3934-1: ffmpeg security update

SUSE-SU-2026:3934-1, released September 3, 2026, fixes 6 CVEs in ffmpeg (version 3.4.2-150200.11.79.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/suse-su-2026-3934-1
- Platform: Linux
- Released: Sep 3, 2026
- Priority: High (Closes CVE-2026-66036, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:3934-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ffmpeg](https://patchblox.com/security/data/product/linux/ffmpeg.md) | sles 15.6 | 3.4.2-150200.11.79.1 |
| [ffmpeg](https://patchblox.com/security/data/product/linux/ffmpeg.md) | sles 15.7 | 3.4.2-150200.11.79.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-66036](https://patchblox.com/security/data/cve/CVE-2026-66036.md) | High | ffmpeg: FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vf_hqdn3d fil... | 8.8 | 0.0040 |  |
| [CVE-2026-64834](https://patchblox.com/security/data/cve/CVE-2026-64834.md) | Routine | ffmpeg: FFmpeg versions 0.6.3 through 8.1.2 contain an infinite loop vulnerability in the RTP/ASF demuxer within libavformat/... | n/a | 0.0073 |  |
| [CVE-2026-64833](https://patchblox.com/security/data/cve/CVE-2026-64833.md) | Routine | ffmpeg: FFmpeg versions 0.7.1 through 8.1.2 contain an out-of-bounds read vulnerability in the S/PDIF muxer that allows attac... | n/a | 0.0040 |  |
| [CVE-2026-65703](https://patchblox.com/security/data/cve/CVE-2026-65703.md) | Routine | ffmpeg: FFmpeg versions 2.7 through 8.1.2 contain an out-of-bounds write vulnerability in the TDSC video decoder that allows... | n/a | 0.0033 |  |
| [CVE-2026-65705](https://patchblox.com/security/data/cve/CVE-2026-65705.md) | Routine | ffmpeg: FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_floodfill video filter that... | n/a | 0.0019 |  |
| [CVE-2026-65706](https://patchblox.com/security/data/cve/CVE-2026-65706.md) | Routine | ffmpeg: FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_swaprect video filter that a... | n/a | 0.0019 |  |

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Data as of 2026-11-10T20:03:11Z 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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