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Oracle Linux: (CVE-2020-26974) (Multiple Advisories): thunderbird security update

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Oracle Linux: (CVE-2020-26974) (Multiple Advisories): thunderbird security update

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/15/2020
Created
12/18/2020
Added
12/17/2020
Modified
03/08/2021

Description

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Solution(s)

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

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