# ALSA-2026:48790: Security update for 3 packages

ALSA-2026:48790, released July 30, 2026, fixes 5 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-48790
- Platform: Linux
- Released: Jul 30, 2026
- Priority: High (Closes CVE-2026-33186, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:48790

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [osbuild-composer](https://patchblox.com/security/data/product/linux/osbuild-composer.md) | almalinux 8 | 101.5-1.el8_10.alma.1 |
| [osbuild-composer-core](https://patchblox.com/security/data/product/linux/osbuild-composer-core.md) | almalinux 8 | 101.5-1.el8_10.alma.1 |
| [osbuild-composer-worker](https://patchblox.com/security/data/product/linux/osbuild-composer-worker.md) | almalinux 8 | 101.5-1.el8_10.alma.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-33186](https://patchblox.com/security/data/cve/CVE-2026-33186.md) | High | gRPC-Go has an authorization bypass via missing leading slash in :path | 9.1 | 0.0162 |  |
| [CVE-2026-34986](https://patchblox.com/security/data/cve/CVE-2026-34986.md) | High | osbuild-composer: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood | 9.1 | 0.0066 |  |
| [CVE-2026-32283](https://patchblox.com/security/data/cve/CVE-2026-32283.md) | High | Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls | 9.1 | 0.0063 |  |
| [CVE-2026-32280](https://patchblox.com/security/data/cve/CVE-2026-32280.md) | High | Unexpected work during chain building in crypto/x509 | 9.1 | 0.0063 |  |
| [CVE-2026-32282](https://patchblox.com/security/data/cve/CVE-2026-32282.md) | High | TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix | 9.1 | 0.0030 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo