Parent Class with a Virtual Destructor and a Child Class without a Virtual Destructor

Opis

A parent class has a virtual destructor method, but the parent has a child class that does not have a virtual destructor.

Skutki

• Other

  Reduce Reliability

  This issue can prevent the product from running reliably, since the child might not perform essential destruction operations. If the relevant code is reachable by an attacker, then this reliability problem might introduce a vulnerability, such as a memory leak (CWE-401).

Słabość nadrzędna

• CWE-1076 Insufficient Adherence to Expected Conventions

Kiedy powstaje

• Implementation

Dotyczy

Not Language-Specific

Źródła

1. Automated Source Code Reliability Measure (ASCRM) — Object Management Group (OMG), ASCRM-RLB-17, 2016
2. C++ Virtual Destructors: How to Avoid Memory Leaks — QuantStart
3. Virtual Destructor — GeeksforGeeks