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CVE-2026-82480

NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
NASA / cFSaffected 7.0.0; affected 7.0.1

CWE

CWE-191, CWE-189

References

ADP enrichment

CISA-ADP

No English description supplied.