CVE-2026-5475

5.1 mediumEPSS 0.2%

Medium (5.1) in nasa core flight system. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2026-04-03
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

Affected

nasa:core_flight_system

References

https://github.com/nasa/cFS/
https://github.com/nasa/cFS/issues/953
https://vuldb.com/submit/781951
https://vuldb.com/vuln/355079
https://vuldb.com/vuln/355079/cti

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