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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Adjacent Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
NASA cFS affected
Version Status Constraints
7.0 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Nasa Subscribe
Cfs Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/nasa/cFS/ cve-icon cve-icon
https://github.com/nasa/cFS/issues/953 cve-icon cve-icon
https://vuldb.com/submit/781951 cve-icon cve-icon
https://vuldb.com/vuln/355079 cve-icon cve-icon
https://vuldb.com/vuln/355079/cti cve-icon cve-icon
History

Fri, 03 Apr 2026 19:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 03 Apr 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption
First Time appeared Nasa
Nasa cfs
Weaknesses CWE-119
CPEs cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*
Vendors & Products Nasa
Nasa cfs
References
Metrics cvssV2_0

{'score': 5.2, 'vector': 'AV:A/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.5, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 5.5, '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'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-03T17:26:49.188Z

Reserved: 2026-04-03T07:51:21.728Z

Link: CVE-2026-5475

cve-icon Vulnrichment

Updated: 2026-04-03T17:26:34.834Z

cve-icon NVD

Status : Received

Published: 2026-04-03T18:16:26.250

Modified: 2026-04-03T18:16:26.250

Link: CVE-2026-5475

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses