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Test ID:1.3.6.1.4.1.25623.1.2.1.2020.11
Category:General
Title:Mozilla Firefox Security Advisory (MFSA2020-11) - Linux
Summary:This host is missing a security update for Mozilla Firefox.
Description:Summary:
This host is missing a security update for Mozilla Firefox.

Vulnerability Insight:
CVE-2020-6819: Use-after-free while running the nsDocShell destructor
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.

CVE-2020-6820: Use-after-free when handling a ReadableStream
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.

Affected Software/OS:
Firefox version(s) below 74.0.1.

Solution:
The vendor has released an update. Please see the reference(s) for more information.

CVSS Score:
6.8

CVSS Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-6819
https://bugzilla.mozilla.org/show_bug.cgi?id=1620818
https://www.mozilla.org/security/advisories/mfsa2020-11/
https://www.mozilla.org/security/advisories/mfsa2020-14/
https://usn.ubuntu.com/4335-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-6820
https://bugzilla.mozilla.org/show_bug.cgi?id=1626728
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