What is CVE-2025-64096?

CVE-2025-64096 is a high-severity vulnerability in Nasa Cryptolib, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-10-30.

How severe is CVE-2025-64096?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Nasa Cryptolib

CVE-2025-64096

CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to…

Vulnerability class: Buffer Overflow

EPSS: 0.005 (36.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nasa Cryptolib — versions < 1.4.2

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-64096?: CVE-2025-64096 is a high-severity vulnerability in Nasa Cryptolib, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-10-30.
How severe is CVE-2025-64096?: High severity. CVSS v3 base score is 8.8 out of 10.