Common Weakness Enumeration

    CWE Definition / CWE-761

    CWE-761: Free of Pointer not at Start of Buffer

    The product calls free() on a pointer to a memory resource that was allocated on the heap, but the pointer is not at the start of the buffer.

    Published:8 May 2009
    Organization:MITRE
    Modified:30 Apr 2026

    Related Weakness

    CWE-763: Release of Invalid Pointer or Reference

    CWE-404: Improper Resource Shutdown or Release

    CWE-761: Free of Pointer not at Start of Buffer | CVE-DB