Name: CVE-2026-35406: Uncontrolled Resource Consumption
Creator: Rapid7
Published: 2026-04-07T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-35406, CWE-835, CWE-400, CVSS 7.5, EPSS 0.00456

Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade aardvark-dns	Jul 8, 2026	Jul 7, 2026
Alpine Linux	—	Upgrade aardvark-dns	Jun 18, 2026	Apr 7, 2026
Redhat_linux	—	No solution existsUpgrade aardvark-dnsUpgrade aardvark-dns-debugsourceUpgrade aardvark-dns-debuginfo	Jul 9, 2026	Apr 7, 2026
Rocky_linux	—	Upgrade aardvark-dns-debugsourceUpgrade aardvark-dnsUpgrade aardvark-dns-debuginfo	Jul 10, 2026	Jul 8, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence