A double free exists in the MP4StringProperty class in mp4property.cpp in MP4v2 2.0.0. A dangling pointer is freed again in the destructor once an exception is triggered.
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mp4v2 | Techsmith | 2.0.0 (including) | 2.0.0 (including) |
| Mp4v2 | Ubuntu | artful | * |
| Mp4v2 | Ubuntu | bionic | * |
| Mp4v2 | Ubuntu | cosmic | * |
| Mp4v2 | Ubuntu | esm-apps/bionic | * |
| Mp4v2 | Ubuntu | esm-apps/xenial | * |
| Mp4v2 | Ubuntu | trusty | * |
| Mp4v2 | Ubuntu | upstream | * |
| Mp4v2 | Ubuntu | xenial | * |