CVE-2024-34244

7.5 highEPSS 0.5%

High (7.5) in libmodbus libmodbus. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWEs: CWE-120, CWE-125
Published: 2024-05-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

libmodbus:libmodbus

References

https://github.com/stephane/libmodbus/issues/743
https://github.com/stephane/libmodbus/issues/743

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