CVE-2026-35406: CWE-400: Uncontrolled Resource Consumption in containers aardvark-dns
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.
AI Analysis
Technical Summary
Aardvark-dns, an authoritative DNS server for A/AAAA container records, has a vulnerability (CWE-400) in versions from 1.16.0 up to but not including 1.17.1. When it receives a truncated TCP DNS query followed by a connection reset, it enters an unrecoverable infinite error loop consuming 100% CPU, causing denial of service. The vulnerability is addressed in version 1.17.1.
Potential Impact
The vulnerability causes the aardvark-dns server to consume excessive CPU resources, leading to denial of service. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade aardvark-dns to version 1.17.1 or later, where this vulnerability is fixed. Patch status is confirmed by the version fix information. No other mitigation is indicated.
CVE-2026-35406: CWE-400: Uncontrolled Resource Consumption in containers aardvark-dns
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Aardvark-dns, an authoritative DNS server for A/AAAA container records, has a vulnerability (CWE-400) in versions from 1.16.0 up to but not including 1.17.1. When it receives a truncated TCP DNS query followed by a connection reset, it enters an unrecoverable infinite error loop consuming 100% CPU, causing denial of service. The vulnerability is addressed in version 1.17.1.
Potential Impact
The vulnerability causes the aardvark-dns server to consume excessive CPU resources, leading to denial of service. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
Upgrade aardvark-dns to version 1.17.1 or later, where this vulnerability is fixed. Patch status is confirmed by the version fix information. No other mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-02T17:03:42.075Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d57b23aaed68159a6dfc15
Added to database: 4/7/2026, 9:46:11 PM
Last enriched: 4/7/2026, 10:01:34 PM
Last updated: 4/8/2026, 2:10:55 AM
Views: 8
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