Common Weakness Enumeration

    CWE Definition / CWE-479

    CWE-479: Signal Handler Use of a Non-reentrant Function

    The product defines a signal handler that calls a non-reentrant function.

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

    Related Weakness

    CWE-828: Signal Handler with Functionality that is not Asynchronous-Safe

    CWE-663: Use of a Non-reentrant Function in a Concurrent Context

    CWE-123: Write-what-where Condition