Bug 2499821 (CVE-2026-51539) - CVE-2026-51539 libmodbus: libmodbus: Denial of Service via improper timeout management in network read operations
Summary: CVE-2026-51539 libmodbus: libmodbus: Denial of Service via improper timeout m...
Keywords:
Status: NEW
Alias: CVE-2026-51539
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-13 22:02 UTC by OSIDB Bzimport
Modified: 2026-08-19 12:54 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-07-13 22:02:09 UTC 
A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.
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