firefox: Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was...

SUSE CVE-2025-1936

jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension...