To fix or to patch?
What's the difference?

To fix a vulnerability, we need to address the root cause and modify the code.

We patch a vulnerability (temporary or permanently) often in the form of a small piece of code or a software update.

Examples

Fixing a Vulnerability: A developer identifies a buffer overflow vulnerability in a function and rewrites the function to include proper bounds checking.

Patching a Vulnerability: A security team releases a hotfix that adds input validation to a specific function to prevent exploitation of a known vulnerability until a more comprehensive fix can be implemented.

Task
Did you fix or patch the last vulnerability?

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