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CVE-2026-21898

HIGH CVSS: 8.2 Published: 2026-01-10 Modified: 2026-06-17

Description

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 version 1.4.3, the Crypto_AOS_ProcessSecurity function reads memory without valid bounds checking when parsing AOS frame hashes. This issue has been patched in version 1.4.3.

Affected Platforms

Nasa Cryptolib

Weakness Type

CWE-125

References