concurrency
Safeguard articles tagged "concurrency" — guides, analysis, and best practices for software supply chain and application security.
8 articles
Race Condition Vulnerabilities Explained
A race condition is a timing flaw where two operations that should happen in order overlap instead — enabling double-spends, TOCTOU bypasses, and kernel exploits.
Go Concurrency Security Pitfalls: When Data Races Become Vulnerabilities
A data race isn't just a flaky test — in the wrong place it's an auth bypass, a cross-request leak, or a denial of service. Here are the Go concurrency bugs that turn into security incidents.
Race Condition Detection: Griffin AI vs Mythos
Race conditions are the hardest class of vulnerabilities for static analysis. Specific architectural capabilities separate tools that find them from tools that claim to.
p-limit: Safe Concurrency Control in Node.js
The p-limit npm package caps how many promises run at once — a one-function library that quietly prevents self-inflicted outages, API bans, and resource exhaustion in Node.js services.
Go: Check If a Key Exists in a Map (Comma-Ok Idiom)
How to check if a key exists in a Go map using the comma-ok idiom, why a plain lookup can't tell 'missing' from 'zero value', and the patterns for sets, nil maps, and concurrent access.
Worker Threads in Node.js: How They Work and How to Use Them Safely
A worker thread in Node.js runs JavaScript in parallel on a separate thread, letting you offload CPU-heavy work without blocking the event loop. Here is how they work and the security pitfalls to avoid.
A Practical Race Condition Example (and How to Fix It)
A race condition example is easiest to understand through a bank-balance check-then-act bug. Here is the anatomy, the exploit, and three ways to close it.
Race Condition Vulnerabilities in Web Applications
Race conditions in web applications lead to double-spending, privilege escalation, and data corruption. This guide covers the most common patterns, detection techniques, and practical defenses.
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