# RHSA-2026:93455: dotnet8.0 security update

RHSA-2026:93455, released October 31, 2026, fixes 2 CVEs in dotnet8.0 (version 8.0.133-1.el10_0). One of them is being exploited (CVE-2026-111497); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-93455
- Platform: Linux
- Released: Oct 31, 2026
- Priority: Patch now (Closes CVE-2026-111497, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:93455

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [dotnet8.0](https://patchblox.com/security/data/product/linux/dotnet8.0.md) | RHEL 10 | 8.0.133-1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-111497](https://patchblox.com/security/data/cve/CVE-2026-111497.md) | Patch now | Google: CVE-2026-111497 Buffer overflow vulnerability in the Brotli decoder | 9.8 | 0.8264 | CISA KEV, Disclosed |
| [CVE-2026-114148](https://patchblox.com/security/data/cve/CVE-2026-114148.md) | High | ASP.NET Core Elevation of Privilege Vulnerability | 8.1 | 0.0036 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo