VulnerabilityAnalyzed

CVE-2026-35406

This vulnerability is fixed in 1.17.1.

HIGH 7.5EPSS 0.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.38% probability · 32th percentile
CISA KEV: Not listed
Weakness: CWE-400, CWE-835
Affected: containers/aardvark-dns
Source: security-advisories@github.com

References

https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1Patch
https://github.com/containers/aardvark-dns/releases/tag/v1.17.1Release Notes
https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986jPatch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.