---
id: 1311
title: "Use GWP-ASan to detect exploits in production environments"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2025/12/16/use-gwp-asan-to-detect-exploits-in-production-environments/"
published_at: "2025-12-16 12:00"
tags: ["vulnerability-research", "memory-safety", "developer-security", "use-after-free", "mitigation", "gwp-asan", "buffer-overflow", "c-cpp"]
phying_url: "https://phying.com/item/1311"
lang: en
---

# Use GWP-ASan to detect exploits in production environments

## Summary

GWP-ASan is a sampling-based memory error detector that catches use-after-free, double-free, and heap overflows in production at near-zero overhead, where AddressSanitizer's 2-4x cost is too heavy.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2025-12-16 12:00
- **Original:** https://blog.trailofbits.com/2025/12/16/use-gwp-asan-to-detect-exploits-in-production-environments/
- **Phying News:** https://phying.com/item/1311