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Ubuntu: (Multiple Advisories) (CVE-2021-23954): Thunderbird vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-23954): Thunderbird vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
01/27/2021
Created
02/03/2021
Added
02/02/2021
Modified
06/23/2021

Description

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-thunderbird

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