CVE-2024-34244 Memory corruption in n/a
A buffer overflow in libmodbus allows attackers to cause crashes or unintended behavior via crafted input to the modbus_write_bits function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-34244?
CVE-2024-34244 is a high-severity memory corruption vulnerability in n/a, published on 8 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.
Which versions are affected by CVE-2024-34244?
It affects 1 product.
Products include Libmodbus Libmodbus.
How do I fix CVE-2024-34244?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-34244 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-34244 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-crpf-8hgm-99cp, JLSEC-2026-1253, UBUNTU-CVE-2024-34244.