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CVE-2026-5474

NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow

Published: Apr 3, 2026Updated: Apr 30, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
0.4%
Top 71.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability was found in NASA cFS up to 7.0.0. This affects the function CFE_MSG_GetSize of the file apps/to_lab/fsw/src/to_lab_passthru_encode.c of the component CCSDS Packet Header Handler. Performing a manipulation results in heap-based buffer overflow. The attacker must have access to the local network to execute the attack. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-119CWE-122

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

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/vuln/355078
vuldb.com
https://vuldb.com/vuln/355078/cti
vuldb.com
https://vuldb.com/submit/781950
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 3, 2026
Last Updated
Apr 30, 2026

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