# ALSA-2026:55856: Security update for 14 packages

ALSA-2026:55856, released August 17, 2026, fixes 4 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-55856
- Platform: Linux
- Released: Aug 17, 2026
- Priority: High (Closes CVE-2026-62901, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:55856

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [aspnetcore-runtime-9.0](https://patchblox.com/security/data/product/linux/aspnetcore-runtime-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [aspnetcore-runtime-dbg-9.0](https://patchblox.com/security/data/product/linux/aspnetcore-runtime-dbg-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [aspnetcore-targeting-pack-9.0](https://patchblox.com/security/data/product/linux/aspnetcore-targeting-pack-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-apphost-pack-9.0](https://patchblox.com/security/data/product/linux/dotnet-apphost-pack-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-hostfxr-9.0](https://patchblox.com/security/data/product/linux/dotnet-hostfxr-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-runtime-9.0](https://patchblox.com/security/data/product/linux/dotnet-runtime-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-runtime-dbg-9.0](https://patchblox.com/security/data/product/linux/dotnet-runtime-dbg-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-sdk-9.0](https://patchblox.com/security/data/product/linux/dotnet-sdk-9.0.md) | almalinux 9 | 9.0.120-1.el9_8 |
| [dotnet-sdk-9.0-source-built-artifacts](https://patchblox.com/security/data/product/linux/dotnet-sdk-9.0-source-built-artifacts.md) | almalinux 9 | 9.0.120-1.el9_8 |
| [dotnet-sdk-aot-9.0](https://patchblox.com/security/data/product/linux/dotnet-sdk-aot-9.0.md) | almalinux 9 | 9.0.120-1.el9_8 |
| [dotnet-sdk-dbg-9.0](https://patchblox.com/security/data/product/linux/dotnet-sdk-dbg-9.0.md) | almalinux 9 | 9.0.120-1.el9_8 |
| [dotnet-targeting-pack-9.0](https://patchblox.com/security/data/product/linux/dotnet-targeting-pack-9.0.md) | almalinux 9 | 9.0.19-1.el9_8 |
| [dotnet-templates-9.0](https://patchblox.com/security/data/product/linux/dotnet-templates-9.0.md) | almalinux 9 | 9.0.120-1.el9_8 |
| [netstandard-targeting-pack-2.1](https://patchblox.com/security/data/product/linux/netstandard-targeting-pack-2.1.md) | almalinux 9 | 9.0.120-1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-62901](https://patchblox.com/security/data/cve/CVE-2026-62901.md) | High | .NET Denial of Service Vulnerability | 7.8 | 0.0123 |  |
| [CVE-2026-62899](https://patchblox.com/security/data/cve/CVE-2026-62899.md) | High | .NET Security Feature Bypass Vulnerability | 7.8 | 0.0075 |  |
| [CVE-2026-62900](https://patchblox.com/security/data/cve/CVE-2026-62900.md) | High | .NET Information Disclosure Vulnerability | 7.8 | 0.0075 |  |
| [CVE-2026-62909](https://patchblox.com/security/data/cve/CVE-2026-62909.md) | High | .NET Elevation of Privilege Vulnerability | 7.8 | 0.0034 |  |

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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