Application Security
CWE-415 Double Free: How It Happens and How to Fix It
Calling free twice on the same pointer corrupts the heap and can lead to code execution. CWE-415 explained, with C examples, detection and fixes.
Oct 18, 20264 min read
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CWE-414 Missing Lock Check: Sensitive Work Without a Check
A lock only helps if every path checks it. CWE-414 covers code that touches a resource without first confirming a lock is present.
Oct 18, 20262 min read
Application Security
CWE-413 Improper Resource Locking: Risks and Fixes
When code needs exclusive access to a resource but does not lock it correctly, another actor can change it mid operation. CWE-413 explained.
Oct 18, 20262 min read
Application Security
CWE-412 Unrestricted Externally Accessible Lock Explained
If an outsider can grab the lock your program waits on, they can freeze it. CWE-412 covers locks and mutexes that cross the trust boundary.
Oct 18, 20262 min read
Application Security
CWE-410 Insufficient Resource Pool: When Pools Run Dry
A pool of connections, sessions or locks that is too small lets an attacker hold it all and lock out everyone else. CWE-410 explained.
Oct 18, 20262 min read
Application Security
CWE-41 Improper Resolution of Path Equivalence, Explained
One file, many names. CWE-41 is how access controls fail when a path can be spelled several ways. Causes, detection and fixes.
Oct 18, 20265 min read
Application Security
CWE-409 Decompression Bombs: Handling Highly Compressed Data
A tiny ZIP or XML payload can expand into gigabytes. CWE-409 explains data amplification and the limits that stop it.
Oct 18, 20263 min read
Application Security
CWE-408 Early Amplification: Expensive Work Before Auth
If your service does costly work before it checks who is asking, anyone can spend your CPU and memory. CWE-408 explained, with fixes.
Oct 18, 20262 min read
Application Security
CWE-407 Inefficient Algorithmic Complexity: Causes and Fixes
A small crafted input can push an algorithm into its worst case and eat a CPU for seconds or minutes. Here is how CWE-407 happens and how to bound it.
Oct 18, 20264 min read
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