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Ubuntu: (Multiple Advisories) (CVE-2018-12396): Firefox regressions

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Ubuntu: (Multiple Advisories) (CVE-2018-12396): Firefox regressions

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
10/23/2018
Created
03/19/2019
Added
11/07/2018
Modified
03/02/2020

Description

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Solution(s)

  • ubuntu-upgrade-firefox

References

  • USN-3801-1
  • USN-3801-2
  • DSA-4324
  • CVE-2018-12396

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