CVE-2026-35406

MEDIUM

Aardvark-dns has incorrect error handling for malformed tcp packets

Title source: cna

Description

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.

References (3)

Scores

CVSS v3 6.2
EPSS 0.0001
EPSS Percentile 2.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400 CWE-835
Status published
Products (3)
containers/aardvark-dns 1.16.0 - 1.17.1
containers/aardvark-dns >= 1.16.0, < 1.17.1
crates.io/netavark 1.16.0 - 1.17.1crates.io
Published Apr 07, 2026
Tracked Since Apr 08, 2026