# RHSA-2026:64772: Security update for 5 packages

RHSA-2026:64772, released September 13, 2026, 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-2026-64772
- Platform: Linux
- Released: Sep 13, 2026
- Priority: High (Closes CVE-2026-15928, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:64772

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [xmlrpc-c](https://patchblox.com/security/data/product/linux/xmlrpc-c.md) | RHEL 8 | 0:1.51.0-11.el8_10.1 |
| [xmlrpc-c-c++](https://patchblox.com/security/data/product/linux/xmlrpc-c-c.md) | RHEL 8 | 0:1.51.0-11.el8_10.1 |
| [xmlrpc-c-client](https://patchblox.com/security/data/product/linux/xmlrpc-c-client.md) | RHEL 8 | 0:1.51.0-11.el8_10.1 |
| [xmlrpc-c-client++](https://patchblox.com/security/data/product/linux/xmlrpc-c-client-xmlrpc-c-client.md) | RHEL 8 | 0:1.51.0-11.el8_10.1 |
| [xmlrpc-c-devel](https://patchblox.com/security/data/product/linux/xmlrpc-c-devel.md) | RHEL 8 | 0:1.51.0-11.el8_10.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-15928](https://patchblox.com/security/data/cve/CVE-2026-15928.md) | High | xmlrpc-c: XML-RPC is a remote procedure call (RPC) protocol that uses XML to encode its calls and HTTP as a transport mechanism | 7.4 | 0.0028 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo