CVE-2026-35406

HIGH EPSS 30.1%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
30.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-400 Uncontrolled Resource Consumption Resource Mgmt
CWE-835

Affected Products 1

VendorProductVersionRange
containersaardvark-dns*≥1.16.0  –  <1.17.1

References 3

  • github.com https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1
    Patch
  • github.com https://github.com/containers/aardvark-dns/releases/tag/v1.17.1
    Release Notes
  • github.com https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j
    PatchVendor Advisory

Remediation

  • github.com https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1
    Patch
  • github.com https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j
    PatchVendor Advisory