CVE-2024-36845 Denial of service in n/a
Attackers can cause a Denial of Service in applications using libmodbus by sending crafted messages to the unit-test-server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-36845?
CVE-2024-36845 is a medium-severity denial of service vulnerability in n/a, published on 31 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.
Weakness: CWE-400
Which versions are affected by CVE-2024-36845?
It affects 1 product.
Products include Libmodbus Libmodbus.
How do I fix CVE-2024-36845?
Upgrade to a fixed version.
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-2024-36845 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-36845 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2024-36845, GHSA-vqrf-777q-wcmm, JLSEC-2026-1256, UBUNTU-CVE-2024-36845.