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CVE-2026-67974

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-08-31
• Weakness: CWE-20

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.

References

• https://github.com/nasa/cFS
• https://github.com/nasa/cFS/issues/1074
• https://github.com/nasa/cFS/issues/1074

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