Data Type Bugs Examples

CVE-2021-21834 - Bad Allocation Chain

BF Taxonomy

Fig 1. BF for CVE-2021-21834.

BF Description:

CVE Description

Analysis

The Fix

CWE-468 - Incorrect Pointer Scaling

BF Taxonomy

Fig 2. BF for CWE-468.

BF Description:

CVE Description

Analysis

The Fix

CVE-2021-23440 - Type Mismatch bypassing Input Validation

BF Taxonomy

Fig 3. First BF chain: Loose comparison misuse.

Fig 4. Second BF chain: Conversion missing before loose comparison.

BF Description:

CVE Description

Analysis

The Fix