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 Thunderbird < 78.1. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15652 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1634872
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1634872
- https://www.mozilla.org/security/advisories/mfsa2020-30/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-30/
- https://www.mozilla.org/security/advisories/mfsa2020-31/