# RHSA-2026:36734: Security update for 3 packages

RHSA-2026:36734, released July 9, 2026, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-36734
- Platform: Linux
- Released: Jul 9, 2026
- Priority: Routine (Closes CVE-2025-6170)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:36734

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libxml2](https://patchblox.com/security/data/product/linux/libxml2.md) | RHEL 8 | 0:2.9.7-21.el8_10.6 |
| [libxml2-devel](https://patchblox.com/security/data/product/linux/libxml2-devel.md) | RHEL 8 | 0:2.9.7-21.el8_10.6 |
| [python3-libxml2](https://patchblox.com/security/data/product/linux/python3-libxml2.md) | RHEL 8 | 0:2.9.7-21.el8_10.6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-6170](https://patchblox.com/security/data/cve/CVE-2025-6170.md) | Routine | Libxml2: stack buffer overflow in xmllint interactive shell command handling | 2.5 | 0.0032 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo