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CWE

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CVE-2026-5475

Published: Apr 3, 2026

Modified: Apr 3, 2026

PUBLISHED

CVSS v3.1

5.5

MEDIUM

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.

Vendor	Product	Versions
NASA	cFS	affected `7.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-355079 | NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption

vdb-entry

technical-description

VDB-355079 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #781951 | NASA cFS 7.0.0 CFE_SB_TransmitMsg memcpy trusts CCSDS header size without sourc

third-party-advisory

https://github.com/nasa/cFS/issues/953

issue-tracking

https://github.com/nasa/cFS/

product

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