# RHSA-2021:0507: Security update for 10 packages

RHSA-2021:0507, released February 15, 2021, fixes 1 CVE across 10 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-0507
- Platform: Linux
- Released: Feb 15, 2021
- Priority: High (Closes CVE-2020-17525, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:0507

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libserf](https://patchblox.com/security/data/product/linux/libserf.md) | RHEL 8 | 0:1.3.9-9.module+el8.3.0+6671+2675c974 |
| [mod_dav_svn](https://patchblox.com/security/data/product/linux/mod-dav-svn.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion](https://patchblox.com/security/data/product/linux/subversion.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-devel](https://patchblox.com/security/data/product/linux/subversion-devel.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-gnome](https://patchblox.com/security/data/product/linux/subversion-gnome.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-javahl](https://patchblox.com/security/data/product/linux/subversion-javahl.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-libs](https://patchblox.com/security/data/product/linux/subversion-libs.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-perl](https://patchblox.com/security/data/product/linux/subversion-perl.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [subversion-tools](https://patchblox.com/security/data/product/linux/subversion-tools.md) | RHEL 8 | 0:1.10.2-4.module+el8.3.0+9886+ac338b6d |
| [utf8proc](https://patchblox.com/security/data/product/linux/utf8proc.md) | RHEL 8 | 0:2.1.1-5.module+el8.3.0+6671+2675c974 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-17525](https://patchblox.com/security/data/cve/CVE-2020-17525.md) | High | subversion-tools: Subversion (SVN) is a concurrent version control system which enables one or more users to collaborate in developing... | 7.5 | 0.4008 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo