pngcrush-installer downloads Resources over HTTP

Affected versions of pngcrush-installer insecurely download an executable over an unencrypted HTTP connection.

In scenarios where an attacker has a privileged network position, it is possible to intercept the response and replace the executable with a malicious one, resulting in code execution on the system running pngcrush-installer.

Recommendation

Update to version 1.8.10 or later.