# ALSA-2026:23231: Security update for 7 packages

ALSA-2026:23231, released June 4, 2026, fixes 3 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-23231
- Platform: Linux
- Released: Jun 4, 2026
- Priority: Urgent (Closes CVE-2026-33278, rated Critical)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:23231

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python3-unbound](https://patchblox.com/security/data/product/linux/python3-unbound.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound](https://patchblox.com/security/data/product/linux/unbound.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound-anchor](https://patchblox.com/security/data/product/linux/unbound-anchor.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound-devel](https://patchblox.com/security/data/product/linux/unbound-devel.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound-dracut](https://patchblox.com/security/data/product/linux/unbound-dracut.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound-libs](https://patchblox.com/security/data/product/linux/unbound-libs.md) | almalinux 10 | 1.24.2-7.el10_2.1 |
| [unbound-utils](https://patchblox.com/security/data/product/linux/unbound-utils.md) | almalinux 10 | 1.24.2-7.el10_2.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-33278](https://patchblox.com/security/data/cve/CVE-2026-33278.md) | Urgent | Possible arbitrary code execution during DNSSEC validation | 9.8 | 0.0142 |  |
| [CVE-2026-42944](https://patchblox.com/security/data/cve/CVE-2026-42944.md) | High | Heap overflow with multiple NSID, COOKIE, PADDING EDNS options | 8.1 | 0.0084 |  |
| [CVE-2026-42959](https://patchblox.com/security/data/cve/CVE-2026-42959.md) | High | Crash during DNSSEC validation of malicious content | 8.1 | 0.0081 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo