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Oracle Linux: CVE-2020-15676: ELSA-2020-4155: thunderbird security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2020-15676: ELSA-2020-4155: thunderbird security update (IMPORTANT) (Multiple Advisories)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
09/22/2020
Created
09/28/2020
Added
09/25/2020
Modified
11/11/2024

Description

Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3. The Mozilla Foundation Security Advisory describes this flaw as: Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element.

Solution(s)

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

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