CVE-2026-5475 — MEDIUM (5.5)

Q: How severe is CVE-2026-5475?

CVE-2026-5475 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-5475?

Check the references section above for vendor advisories and patch information. Affected products include: Nasa Core Flight System.

Vulnerability Description

A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Nasa	Core Flight System	<= 7.0.0

Related Weaknesses (CWE)

CWE-119

References

https://github.com/nasa/cFS/Product
https://github.com/nasa/cFS/issues/953Issue Tracking
https://vuldb.com/submit/781951Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355079Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/355079/ctiPermissions RequiredVDB Entry

FAQ

What is CVE-2026-5475?

CVE-2026-5475 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can ...

How severe is CVE-2026-5475?

CVE-2026-5475 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5475?

Check the references section above for vendor advisories and patch information. Affected products include: Nasa Core Flight System.