Common Weakness Enumeration

    CWE Definition / CWE-174

    CWE-174: Double Decoding of the Same Data

    The product decodes the same input twice, which can limit the effectiveness of any protection mechanism that occurs in between the decoding operations.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-172: Encoding Error

    CWE-675: Multiple Operations on Resource in Single-Operation Context

    CWE-174: Double Decoding of the Same Data | CVE-DB