Common Weakness Enumeration

    CWE Definition / CWE-119

    CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:30 Apr 2026

    Related Weakness

    CWE-118: Incorrect Access of Indexable Resource ('Range Error')

    CWE-20: Improper Input Validation