A security issue was found in Firefox before version 85.0. If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.
A security issue was found in Firefox before version 85.0. If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.
https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23953 https://bugzilla.mozilla.org/show_bug.cgi?id=1683940
Vulmon