MFSA2021-03 Firefox: Security Vulnerabilities fixed in Firefox 85 (CVE-2021-23953)
4
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
01/26/2021
01/28/2021
01/27/2021
03/05/2021
Description
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. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Solution(s)
- mozilla-firefox-upgrade-85_0
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