CVE-2024-8418
highpriority · track · 30EPSS 0.008 · 57 %ileDEEURUUSEPSS · scored 2026-10-28
A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing out. This issue prevents legitimate users from accessing DNS services, thereby disrupting normal operations and causing service downtime.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
- Red Hat Enterprise Linux aardvark-dnsall versionscert_bundDEcpe:/o:redhat:enterprise_linux:aardvark-dns
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1036Red Hat Enterprise Linux (Aardvark-dns): Schwachstelle ermöglicht Denial of ServiceDeutsch2025-05-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-g5jh-57wm-p79mMissing connection timeout in Aardvark-dns2024-09-04ghsa · osvUS
A flaw was found in Aardvark-dns versions 1.12.0 and 1.12.1. They contain a denial of service vulnerability due to serial processing of TCP DNS queries. This flaw allows a malicious client to keep a TCP connection open indefinitely, causing other DNS queries to time out and resulting in a denial of service for all other containers using aardvark-dns.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2024-8418cnnvd
- https://access.redhat.com/security/cve/cve-2024-8418cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2309683cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-8418/cnnvd
- https://github.com/Luap99/aardvark-dns/commit/4a27dcfea4e3f203f169c28e1a2ea8a6fe193912Patchcnnvd
- https://github.com/containers/aardvark-dns/issues/500cnnvd
- https://github.com/containers/aardvark-dns/pull/503cnnvd
- https://vigilance.fr/vulnerability/Aardvark-dns-overload-via-TCP-Connection-Open-47140cnnvd
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