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Gentoo Linux: CVE-2021-23953: Mozilla Firefox: Multiple vulnerabilities

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Gentoo Linux: CVE-2021-23953: Mozilla Firefox: Multiple vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
02/01/2021
Created
02/02/2021
Added
02/01/2021
Modified
10/29/2021

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)

  • gentoo-linux-upgrade-mail-client-thunderbird
  • gentoo-linux-upgrade-mail-client-thunderbird-bin
  • gentoo-linux-upgrade-www-client-firefox
  • gentoo-linux-upgrade-www-client-firefox-bin

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