CWE-194: Unexpected Sign Extension
ID
CWE-194
Abstraction
Variant
Structure
Simple
Status
Incomplete
Number of CVEs
4
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.
Modes of Introduction
| Phase | Note |
|---|---|
| Implementation |
Applicable Platforms
| Type | Class | Name | Prevalence |
|---|---|---|---|
| Language | C | ||
| Language | C++ |
Relationships
| View | Weakness | |||||||
|---|---|---|---|---|---|---|---|---|
| # ID | View | Status | # ID | Name | Abstraction | Structure | Status | |
| CWE-1000 | Research Concepts | Draft | CWE-681 | Incorrect Conversion between Numeric Types | Base | Simple | Draft | |
| CWE-1305 | CISQ Quality Measures (2020) | Incomplete | CWE-681 | Incorrect Conversion between Numeric Types | Base | Simple | Draft | |
| CWE-1340 | CISQ Data Protection Measures | Incomplete | CWE-681 | Incorrect Conversion between Numeric Types | Base | Simple | Draft | |
CVEs Published
CVSS Severity
CVSS Severity - By Year
CVSS Base Score
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | Exploits | PoC | Pubblication Date | Modification Date |
|---|---|---|---|---|---|---|---|---|---|---|---|
| # CVE | Description | CVSS | EPSS | EPSS Trend (30 days) | Affected Products | Weaknesses | Security Advisories | PoC | Pubblication Date | Modification Date |
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