CVE-2026-21897

CryptoLib (NASA Open Source) exposes an out-of-bounds write in Crypto_Config_Add_Gvcid_Managed_Parameters prior to version 1.4.3. The function only checks whether gvcid_counter > GVCID_MAN_PARAM_SIZE, allowing up to 251 entries and causing a write past the end of gvcid_managed_parameters_array...

EUVD-2026-1897

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 CryptoConfigAddGvcidManagedParameters...

CVE-2026-21897 CryptoLib Has Out-of-Bounds Write in Crypto_Config_Add_Gvcid_Managed_Parameters

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 CryptoConfigAddGvcidManagedParameters...