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Home/CWEs/CWE-190
Common Weakness Enumeration

CWE-190: Integer Overflow or Wraparound

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Arithmetic wraps around, producing a value that violates size or sign assumptions.

Abstraction
Base
OWASP Top 10
A06:2021 (#6)
Exploit Likelihood
Medium
Related CVEs
42

How to mitigate

Use checked arithmetic for size calculations; validate ranges before allocation or indexing.

▪ References & documentation

https://cwe.mitre.org/data/definitions/190.htmlNVD CWE listing

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