Heap Overflow Vulnerability in CryptoLib Threatens Space Communications

Summary: A critical security vulnerability identified in CryptoLib, a software implementation of the CCSDS Space Data Link Security Protocol, poses significant risks for spacecraft communication. The CVE-2025-30216 flaw, a heap overflow, can lead to arbitrary code execution and system instability. It is imperative for users to apply necessary patches to safeguard their systems.

Affected: CryptoLib users

Keypoints :

• Vulnerability is tracked as CVE-2025-30216, with a CVSS score of 9.4.
• Heap overflow occurs in the Crypto_TM_ProcessSecurity function due to lack of validation check on the Secondary Header Length.
• Potential consequences include Denial of Service (DoS) and Remote Code Execution (RCE).