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Mozilla Firefox ESR Security Updates(mfsa_2020-54_2020-56)-MAC OS X
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
This host is installed with Mozilla Firefox ESR and is prone to multiple vulnerabilities.
Insight
Insight
Multiple flaws exist due to, - Operations on a BigInt could have caused uninitialized memory to be exposed. - Heap buffer overflow in WebGL. - CSS Sanitizer performed incorrect sanitization. - Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free. - Internal network hosts could have been probed by a malicious webpage. - The proxy.onRequest API did not catch view-source URLs. - Opening an extension-less download may have inadvertently launched an executable instead. - Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6.
Affected Software
Affected Software
Mozilla Firefox ESR version before 78.6 on MAC OS X.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to Mozilla Firefox ESR version 78.6 or later, Please see the references for more information.