# RHSA-2022:1643: Security update for 5 packages

RHSA-2022:1643, released April 28, 2022, fixes 1 CVE across 5 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-1643
- Platform: Linux
- Released: Apr 28, 2022
- Priority: High (Closes CVE-2022-25235, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:1643

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [xmlrpc-c](https://patchblox.com/security/data/product/linux/xmlrpc-c.md) | RHEL 8 | 0:1.51.0-5.el8_5.1 |
| [xmlrpc-c-c++](https://patchblox.com/security/data/product/linux/xmlrpc-c-c.md) | RHEL 8 | 0:1.51.0-5.el8_5.1 |
| [xmlrpc-c-client](https://patchblox.com/security/data/product/linux/xmlrpc-c-client.md) | RHEL 8 | 0:1.51.0-5.el8_5.1 |
| [xmlrpc-c-client++](https://patchblox.com/security/data/product/linux/xmlrpc-c-client-xmlrpc-c-client.md) | RHEL 8 | 0:1.51.0-5.el8_5.1 |
| [xmlrpc-c-devel](https://patchblox.com/security/data/product/linux/xmlrpc-c-devel.md) | RHEL 8 | 0:1.51.0-5.el8_5.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-25235](https://patchblox.com/security/data/cve/CVE-2022-25235.md) | High | libxmltok1: xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a... | 9.8 | 0.0496 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo