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CVE-2026-5476

NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

Published: Apr 3, 2026Updated: May 4, 2026 Sources: CVE List NVDCWE-189
NVD MITRE
4.6CVSSMEDIUM
EPSS Score
0.2%
Top 89.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:AAC:HPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-189CWE-190

Affected Products

cFSNASA
core flight systemnasa

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://vuldb.com/vuln/355080
vuldb.com
https://vuldb.com/vuln/355080/cti
vuldb.com
https://vuldb.com/submit/781971
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 3, 2026
Last Updated
May 4, 2026

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