CVE-2026-35406

MEDIUM6.2

Aardvark-dns has incorrect error handling for malformed tcp packets

Published Apr 7, 2026

Modified 3 months ago

Details

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

WEB

https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1

WEB

https://github.com/containers/aardvark-dns/releases/tag/v1.17.1

WEB

https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-35406

CVSS Analysis

CVSS v3.1

6.2