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Home/CWEs/CWE-476
Common Weakness Enumeration

CWE-476: NULL Pointer Dereference

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The product dereferences a pointer it expected to be valid but is NULL.

Abstraction
Base
OWASP Top 10
A06:2021 (#6)
Exploit Likelihood
Medium
Related CVEs
89

How to mitigate

Check returns before dereference; use option types where the language offers them.

▪ References & documentation

https://cwe.mitre.org/data/definitions/476.htmlNVD CWE listing

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