CVE-2024-56946 Denial of service in n/a
Remote attackers can cause a permanent denial of service in Technitium DNS Server by triggering unhandled exceptions in DNS-over-QUIC listener threads.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-56946?
CVE-2024-56946 is a medium-severity denial of service vulnerability in n/a, published on 3 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Denial of service in DNS-over-QUIC in Technitium DNS Server <= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.
Weakness: CWE-248
Which versions are affected by CVE-2024-56946?
It affects 1 product.
Products include Technitium Dnsserver.
How do I fix CVE-2024-56946?
No fix has been published for CVE-2024-56946 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-56946 being exploited?
There is no known exploitation of CVE-2024-56946 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r58r-w68f-vcxj.