EUVD-2026-1889

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-2026-22027 CryptoLib Vulnerable to Heap Buffer Overflow in MariaDB SA Hexstring Conversion

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-2026-22027 CryptoLib Vulnerable to Heap Buffer Overflow in MariaDB SA Hexstring Conversion

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-2026-22027

CryptoLib (NASA’s SDLS-EP implementation) is affected prior to version 1.4.3 by a heap buffer overflow in convert_hexstring_to_byte_array() within the MariaDB SA interface. The function writes decoded bytes into a caller-provided buffer without capacity checks, which can overflow when importing S...

CVE-2026-22026 CryptoLib Unbounded Memory Allocation in KMC HTTP Response Handler Allows Resource Exhaustion

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 libcurl writecallback function in the KMC...

CVE-2026-22026 CryptoLib Unbounded Memory Allocation in KMC HTTP Response Handler Allows Resource Exhaustion

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 libcurl writecallback function in the KMC...

CVE-2026-22026

CVE-2026-22026 affects CryptoLib prior to 1.4.3. The vulnerability is in the libcurl write_callback used by the KMC crypto service client, where HTTP response buffers can be reallocated without size checks, allowing a malicious KMC server to send arbitrarily large responses and cause unbounded me...

CVE-2026-22026 CryptoLib Unbounded Memory Allocation in KMC HTTP Response Handler Allows Resource Exhaustion

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 libcurl writecallback function in the KMC...

EUVD-2026-1891

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-2026-22025 CryptoLib Memory Leak on HTTP Error Response in KMC Client

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-2026-22025 CryptoLib Memory Leak on HTTP Error Response in KMC Client

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-2026-22025 CryptoLib Memory Leak on HTTP Error Response in KMC Client

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-2026-22025

CryptoLib’s memory-leak vulnerability affects the KMC client: when a non-200 HTTP response is returned, cryptography_encrypt() and cryptography_decrypt() fail to free previously allocated buffers, leaking ~467 bytes per failed request and risking memory exhaustion with repeated failures. This occ...

CVE-2026-22024

CryptoLib (SDLS-EP) memory leak in the cryptography_encrypt() function: prior to version 1.4.3, repeated HTTP requests/JSON parsing allocate buffers that are never freed, leaking ~400 bytes per call. Under sustained traffic this can exhaust memory on affected spacecraft-ground station communicati...

CVE-2026-22024 CryptoLib Memory Leak in KMC Encrypt Function Leads to Resource Exhaustion

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-2026-22023 CryptoLib Has Out-of-Bounds Read in KMC AEAD Encrypt Metadata Parsing via Flawed strtok Pattern

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-2026-21900 CryptoLib Has Out-of-Bounds Read in KMC Encrypt Metadata Parsing via Flawed strtok Pattern

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-2026-21899 CryptoLib has an out-of-bounds read and crash vulnerability when decoding an empty Base64url string

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...

EUVD-2026-1896

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-2026-21898 CryptoLib Has Out-of-bounds Read in Crypto_AOS_ProcessSecurity

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...