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Ubuntu: USN-4546-1 (CVE-2020-15676): Firefox vulnerabilities

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Ubuntu: USN-4546-1 (CVE-2020-15676): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/24/2020
Created
09/30/2020
Added
09/29/2020
Modified
03/22/2023

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)

  • ubuntu-upgrade-firefox

References

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