# RHSA-2021:2569: Security update for 3 packages

RHSA-2021:2569, released June 29, 2021, fixes 5 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-2569
- Platform: Linux
- Released: Jun 29, 2021
- Priority: High (Closes CVE-2021-3518, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:2569

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libxml2](https://patchblox.com/security/data/product/linux/libxml2.md) | RHEL 8 | 0:2.9.7-9.el8_4.2 |
| [libxml2-devel](https://patchblox.com/security/data/product/linux/libxml2-devel.md) | RHEL 8 | 0:2.9.7-9.el8_4.2 |
| [python3-libxml2](https://patchblox.com/security/data/product/linux/python3-libxml2.md) | RHEL 8 | 0:2.9.7-9.el8_4.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-3518](https://patchblox.com/security/data/cve/CVE-2021-3518.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 8.8 | 0.2186 |  |
| [CVE-2021-3517](https://patchblox.com/security/data/cve/CVE-2021-3517.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 8.6 | 0.1699 |  |
| [CVE-2021-3537](https://patchblox.com/security/data/cve/CVE-2021-3537.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 7.5 | 0.0360 |  |
| [CVE-2021-3516](https://patchblox.com/security/data/cve/CVE-2021-3516.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 7.8 | 0.0204 |  |
| [CVE-2021-3541](https://patchblox.com/security/data/cve/CVE-2021-3541.md) | Routine | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 6.5 | 0.0207 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo