# ELSA-2026-13643: Security update for 3 packages

ELSA-2026-13643, released May 5, 2026, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-13643
- Platform: Linux
- Released: May 5, 2026
- Priority: High (Closes CVE-2026-25679, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-13643.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [osbuild-composer](https://patchblox.com/security/data/product/linux/osbuild-composer.md) | ol 10 | 0:149-6.0.1.el10_1 |
| [osbuild-composer-core](https://patchblox.com/security/data/product/linux/osbuild-composer-core.md) | ol 10 | 0:149-6.0.1.el10_1 |
| [osbuild-composer-worker](https://patchblox.com/security/data/product/linux/osbuild-composer-worker.md) | ol 10 | 0:149-6.0.1.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-25679](https://patchblox.com/security/data/cve/CVE-2026-25679.md) | High | Incorrect parsing of IPv6 host literals in net/url | 9.1 | 0.0083 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo