CVE-2026-5476
Last modified
CVE-2026-5476 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nasa | Core Flight System | <= 7.0.0 |
References
- https://github.com/nasa/cFS/Product
- https://github.com/nasa/cFS/issues/954Issue Tracking
- https://vuldb.com/submit/781971Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/355080Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/355080/ctiPermissions Required, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- 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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