CVE-2026-5474 identifies a heap-based buffer overflow vulnerability in the CFE_MSG_GetSize function of the CCSDS Packet Header Handler component within NASA cFS versions up to 7.0.0. This medium-severity flaw (CVSS 6.3) requires an unauthenticated attacker to have local network access to exploit it, potentially leading to low impacts on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage regarding this vulnerability.
| 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:N/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, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.