CVE-2026-5476
Medium
Description
A vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit. Affected is the function CFE_TBL_ValidateCodecLoadSize of the file cfe/modules/tbl/fsw/src/cfe_tbl_passthru_codec.c. The manipulation leads to integer overflow. The complexity of an attack is rather high. The exploitability is told to be difficult. A fix is planned for the upcoming version milestone of the project.
SeverityMedium
CVSS4.6
Exploit probability—
ProductNasa Core Flight System
PublishedApr 3, 2026
First seenApr 3, 2026
Weakness typeCWE-190Integer overflowCWE-189CWE-189
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nasa core_flight_system | v ≤ 7.0.0 | — |
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