CVE-2026-21898: CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between…

PriorityP345high8.2CVSS 3.1

AVNACLPRNUINSUCLINAH

EPSS

0.41%

33.1th percentile

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

1 ranges

Vendor	Product	Version range	Fixed in
nasa	cryptolib	< 1.4.3	1.4.3

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