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Gentoo Linux: CVE-2020-12387: Mozilla Thunderbird: Multiple vulnerabilities

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Gentoo Linux: CVE-2020-12387: Mozilla Thunderbird: Multiple vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
05/26/2020
Created
06/16/2020
Added
06/15/2020
Modified
10/29/2021

Description

A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

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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