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Mozilla Firefox Security Update (mfsa_2021-13_2021-16) - Windows
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The host is installed with Mozilla Firefox and is prone to multiple vulnerabilities.
Insight
Insight
Multiple flaws exist due to, - An out of bound write due to lazy initialization. - An use-after-free in Responsive Design Mode. - Content rendered outside of webpage viewport. - An use-after-free when freeing fonts from cache. - Secure Lock icon could have been spoofed. - Blob URLs may have been granted additional privileges. - 'requestPointerLock' function could be applied to a tab different from the visible tab. - Testing code could have enabled session history manipulations by a compromised content process. - Arbitrary FTP command execution on FTP servers using an encoded URL. - Port blocking could be bypassed. - Memory safety bugs.
Affected Software
Affected Software
Mozilla Firefox version before 88 on Windows.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to Mozilla Firefox version 88 or later. Please see the references for more information.