# RHSA-2026:76744: opentelemetry-collector security update

RHSA-2026:76744, released October 9, 2026, fixes 1 CVE in opentelemetry-collector (version 0:0.158.0-1.el9_8). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-76744
- Platform: Linux
- Released: Oct 9, 2026
- Priority: High (Closes CVE-2026-84445, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:76744

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [opentelemetry-collector](https://patchblox.com/security/data/product/linux/opentelemetry-collector.md) | RHEL 9 | 0:0.158.0-1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-84445](https://patchblox.com/security/data/cve/CVE-2026-84445.md) | High | gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers | 7.5 | 0.0064 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo