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Home/CWEs/CWE-120
Common Weakness Enumeration

CWE-120: Classic Buffer Overflow

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Input is copied into a buffer without checking its size.

Abstraction
Base
OWASP Top 10
A06:2021 (#6)
Exploit Likelihood
High
Related CVEs
0

How to mitigate

Replace unbounded copies (strcpy, sprintf) with length-bounded equivalents; validate lengths first.

▪References & documentation

https://cwe.mitre.org/data/definitions/120.htmlNVD CWE listing

▪ Related CVEs

No CVEs in the Gold index currently reference CWE-120. New matches appear here as the crawler indexes them.