CVE-2024-36844

libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.

CVSS v3.1

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

EPSS

0.61% chance of exploitation in the next 30 days, 47th percentile

Published

2024-05-31

Updated

2025-11-03

Proof-of-concept exploits (1)

• stephane/libmodbus/issues/749

References

• CVE Record
• NVD entry

Related

• CVE-2022-0367
• CVE-2023-26793
• CVE-2024-36843
• CVE-2024-36845
• CVE-2024-36842
• CVE-2024-3685