# RHSA-2026:65993: Security update for 10 packages

RHSA-2026:65993, released September 13, 2026, 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-2026-65993
- Platform: Linux
- Released: Sep 13, 2026
- Priority: High (Closes CVE-2026-9499, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:65993

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [qt5-qtbase](https://patchblox.com/security/data/product/linux/qt5-qtbase.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-common](https://patchblox.com/security/data/product/linux/qt5-qtbase-common.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-devel](https://patchblox.com/security/data/product/linux/qt5-qtbase-devel.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-examples](https://patchblox.com/security/data/product/linux/qt5-qtbase-examples.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-gui](https://patchblox.com/security/data/product/linux/qt5-qtbase-gui.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-mysql](https://patchblox.com/security/data/product/linux/qt5-qtbase-mysql.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-odbc](https://patchblox.com/security/data/product/linux/qt5-qtbase-odbc.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-postgresql](https://patchblox.com/security/data/product/linux/qt5-qtbase-postgresql.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-private-devel](https://patchblox.com/security/data/product/linux/qt5-qtbase-private-devel.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |
| [qt5-qtbase-static](https://patchblox.com/security/data/product/linux/qt5-qtbase-static.md) | RHEL 9 | 0:5.15.9-11.el9_8.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-9499](https://patchblox.com/security/data/cve/CVE-2026-9499.md) | High | qt6-5compat: An out-of-bounds read (buffer over-read) vulnerability exists in QTextCodec::codecForName() in Qt | 7.5 | 0.0030 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo