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Oracle Linux: (CVE-2021-23953) (Multiple Advisories): thunderbird security update

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Oracle Linux: (CVE-2021-23953) (Multiple Advisories): thunderbird security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
01/27/2021
Created
01/29/2021
Added
01/28/2021
Modified
11/23/2022

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)

  • oracle-linux-upgrade-firefox
  • oracle-linux-upgrade-thunderbird

References

  • ELSA-2021-0298
  • CVE-2021-23953
  • USN-4717-1
  • USN-4736-1

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