CVE-2026-5474

MEDIUM 6.3

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

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-122 CWE-119
Vendor	nasa
Product	cfs
Published	Apr 3, 2026
Last Updated	Apr 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:N/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/355078 vuldb.com: https://vuldb.com/vuln/355078/cti vuldb.com: https://vuldb.com/submit/781950 github.com: https://github.com/nasa/cFS/issues/952 github.com: https://github.com/nasa/cFS/

Credits

🔍 0rbitingZer0 (VulDB User) VulDB CNA Team