CVE-2026-5475 describes a memory corruption vulnerability (CWE-119) in NASA cFS up to version 7.0.0, specifically affecting the CFE_SB_TransmitMsg function within the CCSDS Header Size Handler component. This vulnerability is rated Medium with a CVSS score of 5.5, requiring low privileges and adjacent network access for exploitation, potentially leading to low impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, and public exploit code is not available on platforms like Metasploit or ExploitDB. Community discussion is minimal, with only one mention, and the project has not yet responded to the reported issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 7.0.0CPE matchmatch criteria | cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.