CVE-2026-5476

MEDIUM 4.6

NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

CVSS Score

4.6

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-190 CWE-189
Vendor	nasa
Product	cfs
Published	Apr 3, 2026
Last Updated	Apr 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NASA / cFS

7.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/355080 vuldb.com: https://vuldb.com/vuln/355080/cti vuldb.com: https://vuldb.com/submit/781971 github.com: https://github.com/nasa/cFS/issues/954 github.com: https://github.com/nasa/cFS/

Credits

🔍 0rbitingZer0 (VulDB User) VulDB CNA Team