# ALSA-2026:0423: libsoup3-doc security update

ALSA-2026:0423, released January 12, 2026, fixes 1 CVE in libsoup3-doc (version 3.6.5-3.el10_1.8). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-0423
- Platform: Linux
- Released: Jan 12, 2026
- Priority: High (Closes CVE-2025-14523, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:0423

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libsoup3-doc](https://patchblox.com/security/data/product/linux/libsoup3-doc.md) | almalinux 10 | 3.6.5-3.el10_1.8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-14523](https://patchblox.com/security/data/cve/CVE-2025-14523.md) | High | Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins) | 8.2 | 0.0054 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo