# ALSA-2026:74001: Security update for 2 packages

ALSA-2026:74001, released September 30, 2026, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-74001
- Platform: Linux
- Released: Sep 30, 2026
- Priority: High (Closes CVE-2026-66046, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:74001

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [expat](https://patchblox.com/security/data/product/linux/expat.md) | almalinux 10 | 2.7.3-1.el10_2.5 |
| [expat-devel](https://patchblox.com/security/data/product/linux/expat-devel.md) | almalinux 10 | 2.7.3-1.el10_2.5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-66046](https://patchblox.com/security/data/cve/CVE-2026-66046.md) | High | Expat Denial of Service via storeAtts() Quadratic Complexity | 7.5 | 0.0074 |  |
| [CVE-2026-93990](https://patchblox.com/security/data/cve/CVE-2026-93990.md) | High | Expat through 2.8.4 Malformed UTF-16 Acceptance via Unchecked Surrogate | 7.5 | 0.0040 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo