CVE-2026-5475 | THREATINT

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.

PUBLISHED Reserved 2026-04-03 | Published 2026-04-03 | Updated 2026-04-03 | Assigner VulDB

MEDIUM: 5.1CVSS: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

MEDIUM: 5.5CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

MEDIUM: 5.5CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

5.2AV:A/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR

Problem types

Memory Corruption

Product status

7.0

affected

Timeline

2026-04-03:	Advisory disclosed
2026-04-03:	VulDB entry created
2026-04-03:	VulDB entry last update

Credits

0rbitingZer0 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355079 (VDB-355079 | NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption) vdb-entry technical-description

vuldb.com/vuln/355079/cti (VDB-355079 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/781951 (Submit #781951 | NASA cFS 7.0.0 CFE_SB_TransmitMsg memcpy trusts CCSDS header size without sourc) third-party-advisory

github.com/nasa/cFS/issues/953 issue-tracking

github.com/nasa/cFS/ product

cve.org (CVE-2026-5475)

nvd.nist.gov (CVE-2026-5475)

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