# ALSA-2026:84586: Security update for 2 packages

ALSA-2026:84586, released November 7, 2026, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-84586
- Platform: Linux
- Released: Nov 7, 2026
- Priority: High (Closes CVE-2026-102559, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:84586

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libsoup](https://patchblox.com/security/data/product/linux/libsoup.md) | almalinux 8 | 2.62.3-19.el8_10 |
| [libsoup-devel](https://patchblox.com/security/data/product/linux/libsoup-devel.md) | almalinux 8 | 2.62.3-19.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-102559](https://patchblox.com/security/data/cve/CVE-2026-102559.md) | High | Libsoup: libsoup: heap buffer overflow during websocket client-frame masking | 8.6 | 0.0063 |  |
| [CVE-2026-102558](https://patchblox.com/security/data/cve/CVE-2026-102558.md) | High | Libsoup: libsoup: heap buffer overflow during websocket receive-buffer growth | 8.6 | 0.0060 |  |
| [CVE-2026-102556](https://patchblox.com/security/data/cve/CVE-2026-102556.md) | High | Libsoup: libsoup: heap buffer overflow from websocket pong signal type confusion | 8.6 | 0.0047 |  |
| [CVE-2026-102557](https://patchblox.com/security/data/cve/CVE-2026-102557.md) | High | Libsoup: libsoup: heap buffer overflow during websocket message reassembly | 8.6 | 0.0047 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo