PT-2026-31029 · Unknown · Aardvark-Dns

Dkane01 · Published 2026-04-07 · Updated 2026-04-18 · CVE-2026-35406

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Aardvark-dns versions 1.16.0 through 1.17.0

Description A truncated TCP DNS query followed by a connection reset causes Aardvark-dns to enter an unrecoverable infinite error loop, resulting in 100% CPU usage.

Recommendations Update to version 1.17.1 or later.

Fix

Infinite Loop

Resource Exhaustion

Weakness Enumeration

CWE-835

CWE-400

Related Identifiers

CVE-2026-35406

GHSA-HFPQ-X728-986J

OPENSUSE-SU-2026:10570-1

Affected Products

Aardvark-Dns

References · 16

• https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j · Vendor Advisory
• https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-35406 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10570-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-35406 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-35406 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-35406 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hfpq-x728-986j · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-35406 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-35406 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-35406 · Vendor Advisory
• https://github.com/containers/aardvark-dns/releases/tag/v1.17.1 · Note
• https://github.com/containers/aardvark-dns · Note
• https://twitter.com/CVEnew/status/2041711863277482350 · Twitter Post
• https://docs.bell-sw.com/security/cves/CVE-2026-35406 · Note