# OPENSUSE-SU-2026:21522-1: ffmpeg-4 security update

OPENSUSE-SU-2026:21522-1, released August 3, 2026, fixes 5 CVEs in ffmpeg-4 (version 4.4.7-bp160.3.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-21522-1
- Platform: Linux
- Released: Aug 3, 2026
- Priority: High (Closes CVE-2026-66039, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:21522-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ffmpeg-4](https://patchblox.com/security/data/product/linux/ffmpeg-4.md) | opensuse-leap 16.0 | 4.4.7-bp160.3.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-66039](https://patchblox.com/security/data/cve/CVE-2026-66039.md) | High | ffmpeg: FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio de... | 7.8 | 0.0031 |  |
| [CVE-2026-64830](https://patchblox.com/security/data/cve/CVE-2026-64830.md) | Routine | ffmpeg: FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that a... | n/a | 0.0065 |  |
| [CVE-2026-64835](https://patchblox.com/security/data/cve/CVE-2026-64835.md) | Routine | ffmpeg: FFmpeg versions 4.4 through 8.1.2 contain an out-of-bounds memory access vulnerability in the ADX audio decoder withi... | n/a | 0.0050 |  |
| [CVE-2026-64832](https://patchblox.com/security/data/cve/CVE-2026-64832.md) | Routine | ffmpeg: FFmpeg versions 4.4 through 8.1.2 contain a double-free vulnerability in the NVIDIA NVDEC hardware decoder within lib... | n/a | 0.0034 |  |
| [CVE-2026-66038](https://patchblox.com/security/data/cve/CVE-2026-66038.md) | Routine | ffmpeg: FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video... | 6.5 | 0.0024 |  |

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Data as of 2026-11-09T13:31:49Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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