Is CVE-2026-35406 in the CISA KEV catalog?

No. CVE-2026-35406 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-35406?

CVE-2026-35406 has a CVSS v3 base score of 6.2 (MEDIUM).

What is the EPSS score for CVE-2026-35406?

CVE-2026-35406 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35406?

Upgrade aardvark-dns on debian unstable to 1.16.0-3 or later.

CVE & CISA-KEV Catalog

CVE-2026-35406

MEDIUM

6.2

CVSS v3

NVD

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.

CWE-400Resource Exhaustion CWE-835

How to fix

Remediation Available

aardvark-dnsDebian

Fixed in:1.16.0-3CVE-2026-35406

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Patch2

Release Notes1

github.com

Related Vulnerabilities

Other CWE-400 (Resource Exhaustion) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-44487	High	7.5	100%	KEV	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2011-3192	High	7.8	99%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2024-25617	Medium	5.3	89%	-	Fix
CVE-2018-1000115	High	7.5	89%	-	Fix

Embed a live status badge for CVE-2026-35406

Markdown

[![CVE-2026-35406](https://tridentstack.com/cve/badge/CVE-2026-35406.svg)](https://tridentstack.com/cve/CVE-2026-35406)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-35406"><img src="https://tridentstack.com/cve/badge/CVE-2026-35406.svg" alt="CVE-2026-35406"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.