# RHSA-2020:4479: Security update for 3 packages

RHSA-2020:4479, released November 4, 2020, fixes 3 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-4479
- Platform: Linux
- Released: Nov 4, 2020
- Priority: High (Closes CVE-2020-7595, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:4479

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libxml2](https://patchblox.com/security/data/product/linux/libxml2.md) | RHEL 8 | 0:2.9.7-8.el8 |
| [libxml2-devel](https://patchblox.com/security/data/product/linux/libxml2-devel.md) | RHEL 8 | 0:2.9.7-8.el8 |
| [python3-libxml2](https://patchblox.com/security/data/product/linux/python3-libxml2.md) | RHEL 8 | 0:2.9.7-8.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-7595](https://patchblox.com/security/data/cve/CVE-2020-7595.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 7.5 | 0.0784 |  |
| [CVE-2019-19956](https://patchblox.com/security/data/cve/CVE-2019-19956.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 7.5 | 0.0563 |  |
| [CVE-2019-20388](https://patchblox.com/security/data/cve/CVE-2019-20388.md) | High | libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)... | 7.5 | 0.0318 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo