CVE-2026-42959: Crash during DNSSEC validation of malicious content
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-21
- Last Updated
- 2026-05-23
- EPSS Score
- 0.78% (percentile: 51.6%)
Affected Products (1)
Open Source Software
- azl3 unbound 1.19.1-5 on Azure Linux 3.0
Revision History
- 2026-05-21: Information published.
- 2026-05-23: Information published.