CVE-2026-82480
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NASA | cFS | 7.0.0 | affected |
| NASA | cFS | 7.0.1 | affected |
Weaknesses
- CWE-191: Integer Underflow
- CWE-189: Numeric Error
References
- https://vuldb.com/vuln/397030
- https://vuldb.com/vuln/397030/cti
- https://vuldb.com/cve/CVE-2026-82480
- https://vuldb.com/submit/888018
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