# RHSA-2020:4500: Security update for 17 packages

RHSA-2020:4500, released November 4, 2020, fixes 4 CVEs across 17 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-4500
- Platform: Linux
- Released: Nov 4, 2020
- Priority: High (Closes CVE-2020-8623, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:4500

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bind](https://patchblox.com/security/data/product/linux/bind.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-chroot](https://patchblox.com/security/data/product/linux/bind-chroot.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-devel](https://patchblox.com/security/data/product/linux/bind-devel.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-export-devel](https://patchblox.com/security/data/product/linux/bind-export-devel.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-export-libs](https://patchblox.com/security/data/product/linux/bind-export-libs.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-libs](https://patchblox.com/security/data/product/linux/bind-libs.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-libs-lite](https://patchblox.com/security/data/product/linux/bind-libs-lite.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-license](https://patchblox.com/security/data/product/linux/bind-license.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-lite-devel](https://patchblox.com/security/data/product/linux/bind-lite-devel.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-pkcs11](https://patchblox.com/security/data/product/linux/bind-pkcs11.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-pkcs11-devel](https://patchblox.com/security/data/product/linux/bind-pkcs11-devel.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-pkcs11-libs](https://patchblox.com/security/data/product/linux/bind-pkcs11-libs.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-pkcs11-utils](https://patchblox.com/security/data/product/linux/bind-pkcs11-utils.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-sdb](https://patchblox.com/security/data/product/linux/bind-sdb.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-sdb-chroot](https://patchblox.com/security/data/product/linux/bind-sdb-chroot.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [bind-utils](https://patchblox.com/security/data/product/linux/bind-utils.md) | RHEL 8 | 32:9.11.20-5.el8 |
| [python3-bind](https://patchblox.com/security/data/product/linux/python3-bind.md) | RHEL 8 | 32:9.11.20-5.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-8623](https://patchblox.com/security/data/cve/CVE-2020-8623.md) | High | bind: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols | 7.5 | 0.0661 |  |
| [CVE-2020-8622](https://patchblox.com/security/data/cve/CVE-2020-8622.md) | Routine | bind: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols | 6.5 | 0.0590 |  |
| [CVE-2020-8624](https://patchblox.com/security/data/cve/CVE-2020-8624.md) | Routine | bind-pkcs11-devel: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols | 4.3 | 0.0382 |  |
| [CVE-2020-8619](https://patchblox.com/security/data/cve/CVE-2020-8619.md) | Routine | bind: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols | 4.9 | 0.0215 |  |

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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