# CVE-2022-21949: ruby-xmlhash: A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attack...

CVE-2022-21949 is fixed in ruby-xmlhash on 1 platform by DEBIAN-CVE-2022-21949 (version 1.3.6-3.1), released May 3, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-21949
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0186
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 3, 2022

## Description

A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attackers to reference external entities in certain operations. This can be used to gain information from the server that can be abused to escalate to Admin privileges on OBS. This issue affects: SUSE Open Build Service Open Build Service versions prior to 2.10.13.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ruby-xmlhash Debian 12.15 (bookworm) | 1.3.6-3.1 | [DEBIAN-CVE-2022-21949](https://patchblox.com/security/data/fix/linux/debian-cve-2022-21949.md) | May 3, 2022 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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