# ALSA-2026:37436: Security update for 8 packages

ALSA-2026:37436, released July 9, 2026, fixes 3 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-37436
- Platform: Linux
- Released: Jul 9, 2026
- Priority: Urgent (Closes CVE-2026-39821, rated Critical)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:37436

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [go-toolset](https://patchblox.com/security/data/product/linux/go-toolset.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang](https://patchblox.com/security/data/product/linux/golang.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-bin](https://patchblox.com/security/data/product/linux/golang-bin.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-docs](https://patchblox.com/security/data/product/linux/golang-docs.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-misc](https://patchblox.com/security/data/product/linux/golang-misc.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-race](https://patchblox.com/security/data/product/linux/golang-race.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-src](https://patchblox.com/security/data/product/linux/golang-src.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |
| [golang-tests](https://patchblox.com/security/data/product/linux/golang-tests.md) | almalinux 10 | 1.26.5-1.el10_2.alma.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-39821](https://patchblox.com/security/data/cve/CVE-2026-39821.md) | Urgent | Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna | 10.0 | 0.0183 |  |
| [CVE-2026-39822](https://patchblox.com/security/data/cve/CVE-2026-39822.md) | High | Root escape via symlink plus trailing slash in os | 8.2 | 0.0023 |  |
| [CVE-2026-42505](https://patchblox.com/security/data/cve/CVE-2026-42505.md) | Routine | Invoking Encrypted Client Hello privacy leak in crypto/tls | 5.3 | 0.0038 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo