CVE-2026-92151

F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.2.0, Svc::Ccsds::SpacePacketDeframer dataIn_handler is vulnerable because the handler treats the minimum packet-length condition as FW_ASSERT rather than rejecting and returning the buffer. When a CCSDS telecommand frame leaves a payload of six bytes or fewer after TcDeframer removes its header and trailer, the assertion aborts or resets the flight-software process, causing denial of service. This issue is fixed in version 4.2.0.

• CWE-617

• https://github.com/nasa/fprime/commit/cacdd555456bd83ab395b521d56c0330470ea798
• https://github.com/nasa/fprime/pull/4919
• https://github.com/nasa/fprime/releases/tag/v4.2.0
• https://github.com/nasa/fprime/security/advisories/GHSA-4rjh-jqvx-r8j5
• https://github.com/nasa/fprime/security/advisories/GHSA-4rjh-jqvx-r8j5

Published

Oct 14, 2026

Last Modified

Oct 15, 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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