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compiler-hardening

Apply compiler hardening flags and sanitizers to C/C++ build configurations.

47|5|Updated Apr 25, 2026
Search Tags:#security#compiler#sanitizers#c#cpp#hardening
One-click install
npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill compiler-hardening
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: compiler-hardening
Source: https://github.com/RedHatProductSecurity/prodsec-skills/tree/main/module/skills/compiler-hardening
Command: npx skills add https://github.com/RedHatProductSecurity/prodsec-skills --skill compiler-hardening

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers improve the security and stability of C and C++ applications by applying compiler hardening flags and sanitizers to prevent common vulnerabilities.

Core Features & Use Cases

  • Apply Hardening Flags: Recommends and guides the integration of compiler options like -fstack-protector-strong and -Wl,-z,relro,-z,now in build configurations.
  • Configure Sanitizers: Provides instructions to enable runtime sanitizers such as AddressSanitizer, ThreadSanitizer, and LeakSanitizer during development and testing.
  • Use Case: A security engineer reviewing a native code project's CI pipeline can use this Skill to verify and enforce security-focused compile flags and runtime checks before deployment.

Quick Start

Review your build system configurations and add the recommended compiler flags and sanitizers as described to improve your project's security posture.

Frequently Asked Questions about compiler-hardening

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I apply compiler hardening flags to a C/C++ project?▼

To apply compiler hardening flags in a C/C++ project, integrate options like `-fstack-protector-strong` and `-Wl,-z,relro,-z,now` into your build configurations to prevent common vulnerabilities and improve application defenses.

What is the best way to configure sanitizers for runtime error detection in native code?▼

The best way to configure sanitizers for runtime error detection is to enable AddressSanitizer, ThreadSanitizer, and LeakSanitizer during your development and testing phases to identify memory and threading issues.

Does compiler hardening work with existing CI pipelines for security reviews?▼

Yes, compiler hardening works with existing CI pipelines by allowing security engineers to verify and enforce security-focused compile flags and runtime checks before deployment.

When do I need to use compiler hardening techniques for C and C++ applications?▼

You need to use compiler hardening techniques for C and C++ applications when performing code base audits, enhancing CI pipelines, or conducting security reviews to mitigate vulnerabilities and improve overall stability.

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