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Ubuntu: USN-3844-1 (CVE-2018-18495): Firefox vulnerabilities

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Ubuntu: USN-3844-1 (CVE-2018-18495): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
12/11/2018
Created
03/19/2019
Added
01/10/2019
Modified
09/12/2020

Description

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3844-1
  • USN-3868-1
  • CVE-2018-18495

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