Variant weakness
Incomplete
CWE-194: Unexpected Sign Extension
The product performs an operation on a number that causes it to be sign extended when it is transformed into a larger data type. When the original number is negative, this can produce unexpected values that lead to resultant weaknesses.
5
Recorded CVEs
With this primary weakness
0
KEVs
In the CISA KEV catalog
High
Likelihood of exploit
Per MITRE
Variant
Abstraction
MITRE classification
Overview
CWE-194 (Unexpected Sign Extension) is a variant-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.