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...

PT-2026-95193

Name of the Vulnerable Software and Affected Versions NASA CryptoLib version 1.5.0 Description An authentication downgrade issue exists in the Telecommand TC receive path. The receiver selects the Security Association SA used for Space Data Link Security SDLS processing based only on the SPI fiel...

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-2026-21898: Out-of-bounds Read

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 CryptoAOSProcessSecurity function reads...

CVE-2026-21897: Out-of-bounds Write

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-2026-21899: Out-of-bounds Read

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, in base64urlDecode, padding-stripping...

CVE-2026-21900: Out-of-bounds Read

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, an out-of-bounds heap read vulnerability in...

CVE-2026-22023: Out-of-bounds Read

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, there is an out-of-bounds heap read...

CVE-2026-22024: Missing Release of Memory after Effective Lifetime

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 cryptographyencrypt function allocates...

CVE-2026-22025: Missing Release of Memory after Effective Lifetime

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, when the KMC server returns a non-200 HTTP...

CVE-2026-22027: Heap-based Buffer Overflow

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 converthexstringtobytearray function in th...

CVE-2025-59534: Improper Neutralization of Special Elements used in an OS Command

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 1.4.2, there is a command Injection vulnerability in...

CVE-2025-46673

NASA CryptoLib before 1.3.2 does not check whether the SA is in an operational state before use, possibly leading to a bypass of the Space Data Link Security protocol SDLS...

CVE-2025-46673: Improper Control of Dynamically-Managed Code Resources

NASA CryptoLib before 1.3.2 does not check whether the SA is in an operational state before use, possibly leading to a bypass of the Space Data Link Security protocol SDLS...

CVE-2025-30216: Heap-based Buffer Overflow

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. In versions 1.3.3 and prior, a Heap Overflow vulnerability occurs in t...

CVE-2025-29909: Integer Underflow (Wrap or Wraparound)

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. In versions 1.3.3 and prior, a heap buffer overflow vulnerability in...