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Major Security Flaw in libcoap Affecting IoT Devices

Major Security Flaw in libcoap Affecting IoT Devices

First seen 5 Dec 2025, 09:46 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

A significant security flaw has been identified in libcoap, a library implementing the Constrained Application Protocol (CoAP) used in Internet of Things (IoT) applications. This vulnerability affects devices with constrained resources, such as those used in smart energy and building automation. Users of Fedora 43 are particularly impacted by this issue.

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