CVE-2026-35406

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 v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1	Patch
https://github.com/containers/aardvark-dns/releases/tag/v1.17.1	Release Notes
https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:containers:aardvark-dns:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-07 22:16

Updated : 2026-07-24 21:10

NVD link : CVE-2026-35406

Mitre link : CVE-2026-35406

CVE.ORG link : CVE-2026-35406

JSON object : View

Products Affected

containers

aardvark-dns

CWE

CWE-400

Uncontrolled Resource Consumption

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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