Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1015

The attached file causes an overflow in heap thumbnailing. To reproduce, place both attached files on a server and visit http://127.0.0.1/LoadImage.swf?img=thumb2.atf


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/41610.zip