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MFSA2020-42 Firefox: Security Vulnerabilities fixed in Firefox 81 (CVE-2020-15676)

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MFSA2020-42 Firefox: Security Vulnerabilities fixed in Firefox 81 (CVE-2020-15676)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/22/2020
Created
09/24/2020
Added
09/23/2020
Modified
11/26/2024

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.

Solution(s)

  • mozilla-firefox-upgrade-81_0

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