Common Weakness Enumeration

    CWE Definition / CWE-806

    CWE-806: Buffer Access Using Size of Source Buffer

    The product uses the size of a source buffer when reading from or writing to a destination buffer, which may cause it to access memory that is outside of the bounds of the buffer.

    Published:15 Jan 2010
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-805: Buffer Access with Incorrect Length Value

    CWE-806: Buffer Access Using Size of Source Buffer | CVE-DB