CVE-2026-92150

F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.2.0, Svc::GenericHub fromBufferDriver_handler deserialization is vulnerable because the receive handler uses FW_ASSERT for externally influenced deserialization status and type validation and permits a command payload size subtraction to underflow. When an unauthenticated inter-processor hub peer sends a truncated buffer, an invalid HubType, or a header-only command-dispatch payload, malformed hub traffic aborts or resets the process, causing denial of service. This issue is fixed in version 4.2.0.

• CWE-617

• https://github.com/nasa/fprime/commit/b56b53634fd4251ae84919f22dcff829ef9e0986
• https://github.com/nasa/fprime/pull/4929
• https://github.com/nasa/fprime/releases/tag/v4.2.0
• https://github.com/nasa/fprime/security/advisories/GHSA-2mh6-f7jj-6c93
• https://github.com/nasa/fprime/security/advisories/GHSA-2mh6-f7jj-6c93

Published

Oct 14, 2026

Last Modified

Oct 20, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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