# RHSA-2023:6578: Security update for 2 packages

RHSA-2023:6578, released November 7, 2023, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-6578
- Platform: Linux
- Released: Nov 7, 2023
- Priority: High (Closes CVE-2023-39976, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:6578

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libqb](https://patchblox.com/security/data/product/linux/libqb.md) | RHEL 9 | 0:2.0.6-4.el9_3 |
| [libqb-devel](https://patchblox.com/security/data/product/linux/libqb-devel.md) | RHEL 9 | 0:2.0.6-4.el9_3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-39976](https://patchblox.com/security/data/cve/CVE-2023-39976.md) | High | libqb: The libqb packages provide a library with the primary purpose of providing high performance client/server reusable fe... | 9.8 | 0.0118 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo