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Oracle Linux: CVE-2020-26956: ELSA-2020-5236: thunderbird security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2020-26956: ELSA-2020-5236: thunderbird security update (IMPORTANT) (Multiple Advisories)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
11/17/2020
Created
12/03/2020
Added
12/01/2020
Modified
12/06/2024

Description

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Solution(s)

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

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