CVE-2026-82480

HighCVSS 7.4/10Last modified Sep 1, 2026

Description

A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUserDataLength of the file src/cFS/cfe/modules/sb/fsw/src/cfe_sb_util.c of the component cFE Software Bus. Performing a manipulation of the argument TotalMsgSize/HdrSize results in integer underflow. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Weakness enumeration

CWE-189 CWE-191

Affected software

No affected versions have been published.

Timeline

Published: Aug 30, 2026
Last modified: Sep 1, 2026
NVD status: Deferred

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