CVE-2026-79954

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

EUVD-2026-82611

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

CVE-2026-79954 NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

CVE-2026-79954 NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

CVE-2026-79954

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand (TC) receive path. The root cause is that the receiver selects the Security Association (SA) used for SDLS processing solely from the SPI field in the incoming frame, without verifying that the selected SA ...

CVE-2026-79954 NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

CVE-2026-79954: Missing Authentication for Critical Function

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand TC receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the...

CVE-2026-21897

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...

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...

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...

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...