# RHSA-2021:1702: Security update for 3 packages

RHSA-2021:1702, released May 18, 2021, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-1702
- Platform: Linux
- Released: May 18, 2021
- Priority: Urgent (Closes CVE-2020-8927, exploitation more likely)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:1702

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [brotli](https://patchblox.com/security/data/product/linux/brotli.md) | RHEL 8 | 0:1.0.6-3.el8 |
| [brotli-devel](https://patchblox.com/security/data/product/linux/brotli-devel.md) | RHEL 8 | 0:1.0.6-3.el8 |
| [python3-brotli](https://patchblox.com/security/data/product/linux/python3-brotli.md) | RHEL 8 | 0:1.0.6-3.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-8927](https://patchblox.com/security/data/cve/CVE-2020-8927.md) | Urgent | Brotli Library Buffer Overflow Vulnerability | 7.5 | 0.0322 | More likely |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo