# RHSA-2020:4481: Security update for 6 packages

RHSA-2020:4481, released November 4, 2020, fixes 1 CVE across 6 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-4481
- Platform: Linux
- Released: Nov 4, 2020
- Priority: High (Closes CVE-2020-0556, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:4481

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bluez](https://patchblox.com/security/data/product/linux/bluez.md) | RHEL 8 | 0:5.50-4.el8 |
| [bluez-cups](https://patchblox.com/security/data/product/linux/bluez-cups.md) | RHEL 8 | 0:5.50-4.el8 |
| [bluez-hid2hci](https://patchblox.com/security/data/product/linux/bluez-hid2hci.md) | RHEL 8 | 0:5.50-4.el8 |
| [bluez-libs](https://patchblox.com/security/data/product/linux/bluez-libs.md) | RHEL 8 | 0:5.50-4.el8 |
| [bluez-libs-devel](https://patchblox.com/security/data/product/linux/bluez-libs-devel.md) | RHEL 8 | 0:5.50-4.el8 |
| [bluez-obexd](https://patchblox.com/security/data/product/linux/bluez-obexd.md) | RHEL 8 | 0:5.50-4.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-0556](https://patchblox.com/security/data/cve/CVE-2020-0556.md) | High | bluez-libs: The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig,... | 7.1 | 0.0104 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo