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OpenAdvisories
High · 8.2 CVE-2026-21898 EUVD-2026-1896

CryptoLib Has Out-of-bounds Read in Crypto_AOS_ProcessSecurity

Published Jan 10, 2026 · Updated Jan 12, 2026 · Assigned by GitHub_M

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 products

VendorProductAffectedFixed
nasa CryptoLib < 1.4.3 —

References