DEBIAN-CVE-2020-15652

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox 79, Firefox ESR 68.11, Firefox ESR 78.1, Thunderbird 68.11, and Thunderbi...

Mozilla: Potential leak of redirect targets when loading scripts in a worker

The Mozilla Foundation Security Advisory describes this flaw as: By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script...