SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-67974

A parser boundary flaw in the Software Bus Network (SBN) application's peer subscription message handling in NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via sending a crafted packet.

HIGH 7.5EPSS 0.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A parser boundary flaw in the Software Bus Network (SBN) application's peer subscription message handling in NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via sending a crafted packet.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.30% probability · 23th percentile
CISA KEV
Not listed
Weakness
CWE-20
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.