All types of vulnerabilities in cryptographic libraries

All types of vulnerabilities that can occur in cryptographic libraries of any kind:

Leaked access keys : If a library does not properly handle access keys, they can become available to attackers, allowing them to carry out transactions on behalf of the user.
Weaknesses in cryptographic algorithms : Errors in the implementation of cryptographic algorithms can lead to vulnerabilities that allow attackers to break encryption or forge signatures.
Data serialization issues : Incorrect serialization and deserialization of data can lead to arbitrary code execution or denial of service.
Dependency vulnerabilities : The library may use external dependencies that contain vulnerabilities. If these dependencies are not updated, vulnerabilities are transferred to the main product.
Error in the code (bugs) : Any library may contain bugs, which under certain conditions can lead to incorrect operation of the system, loss of data and other serious problems.

Use of key security : Keys should be stored in secure storage, such as dedicated hardware security modules (HSMs).
Input Validation : It is always necessary to validate and sanitize input data to avoid code injection.
Update dependencies : Regularly update all project dependencies to fix vulnerabilities in used libraries.
API Key Secrecy : Never include API keys in code that may be publicly accessible.
Security Audits and Testing : Regularly conduct security audits and penetration testing to identify and address vulnerabilities.

Useful information for enthusiasts: