# RHSA-2026:3477: gnutls security update

RHSA-2026:3477, released November 18, 2025, fixes 1 CVE in gnutls (version 3.8.10-3.el10_1). None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-3477
- Platform: Linux
- Released: Nov 18, 2025
- Priority: Routine (Closes CVE-2025-9820)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:3477

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gnutls](https://patchblox.com/security/data/product/linux/gnutls.md) | RHEL 10 | 3.8.10-3.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-9820](https://patchblox.com/security/data/cve/CVE-2025-9820.md) | Routine | gnutls: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorit... | 5.3 | 0.0022 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo