# RLSA-2026:18931: unbound security update

RLSA-2026:18931, released May 28, 2026, fixes 2 CVEs in unbound (version 0:1.24.2-2.el9). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-18931
- Platform: Linux
- Released: May 28, 2026
- Priority: High (Closes CVE-2024-33655, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:18931

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [unbound](https://patchblox.com/security/data/product/linux/unbound.md) | rocky 9 | 0:1.24.2-2.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-33655](https://patchblox.com/security/data/cve/CVE-2024-33655.md) | High | libunbound8: The DNS protocol in RFC 1035 and updates allows remote attackers to cause adenial of service (resource consumption) b... | 7.5 | 0.0174 |  |
| [CVE-2025-11411](https://patchblox.com/security/data/cve/CVE-2025-11411.md) | Routine | Possible domain hijacking via promiscuous records in the authority section | 6.1 | 0.0033 |  |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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