The following versions of ISBN Validator and Generator are currently supported with security updates:

We recommend using the latest version from the repository to ensure you have the most recent security fixes and improvements.

If you discover a security vulnerability in ISBN Validator and Generator, we appreciate your help in disclosing it responsibly. Please follow these steps:

1. Do Not Disclose Publicly: Avoid sharing details of the vulnerability in public forums, such as GitHub issues, social media, or other platforms, until it has been addressed.
2. Contact the Maintainer Privately:
   • Create a private issue or discussion on the GitHub repository.
   • Include a detailed description of the vulnerability, steps to reproduce, and potential impact.
3. Response Time:
   • You can expect an initial response within 48 hours.
   • We will work with you to validate and address the issue promptly.
4. Disclosure:
   • Once the vulnerability is fixed, we will coordinate with you on public disclosure, if appropriate.
   • Credit will be given for your discovery in release notes, unless you prefer anonymity.

To keep your use of ISBN Validator and Generator secure:

• Use Trusted Sources: Download or clone the application only from the official GitHub repository.
• Input Validation: The program processes user input from the command line. Avoid running it with untrusted input to prevent buffer overflows or crashes.
• Compile Safely: Use a trusted compiler (e.g., GCC, Clang, MSVC) and enable warnings (e.g., -Wall) to catch potential issues during compilation.
• Run in Safe Environments: Execute the program in a controlled environment to avoid risks from malicious input.
• Update Dependencies: The program uses standard C libraries, which are typically secure but should be kept up-to-date via your OS or compiler.

ISBN Validator and Generator relies only on standard C libraries (stdio.h, stdlib.h, time.h, string.h, ctype.h), which are included with most C compilers and have no external dependencies.

Thank you for helping keep ISBN Validator and Generator secure!