Medium 6.2Published Apr 7, 2026

CVE-2026-35406Aardvark-dns has incorrect error handling for malformed tcp packets

Updated under an hour ago (Oct 26, 2026, 10:00 AM ET)

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Every CVE for containers aardvark-dns

Exploited in the last 30 days

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: 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Apr 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

containers aardvark-dns containers:aardvark_dns (from the name)	from 1.16.0, < 1.17.1	CNA record
containers aardvark-dns containers:aardvark-dns	from 1.16.0 before 1.17.1	NVD

References

https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986jx-refsource-confirm, patch, vendor-advisory
https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1x-refsource-misc, patch
https://github.com/containers/aardvark-dns/releases/tag/v1.17.1x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.