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Test ID:1.3.6.1.4.1.25623.1.0.818506
Category:General
Title:Mozilla Thunderbird Security Update(mfsa_2021-35_2021-36) - Mac OS X
Summary:This host is missing a security update; according to Mozilla.
Description:Summary:
This host is missing a security update
according to Mozilla.

Vulnerability Insight:
Multiple flaws exist due to:

- Live range splitting could have led to conflicting assignments in the JIT.

- Memory corruption as a result of incorrect style treatment.

- Incorrect instruction reordering during JIT optimization.

- Uninitialized memory in a canvas object could have led to memory corruption.

- Use-after-free media channels.

- Single bit data leak due to incorrect JIT optimization and type confusion.

- Memory safety bugs.

Vulnerability Impact:
Successful exploitation will allow
attackers to run arbitrary code, bypass security restrictions, disclose sensitive
information and cause a denial of service on affected system

Affected Software/OS:
Mozilla Thunderbird version before
91 on Mac OS X.

Solution:
Upgrade to Mozilla Thunderbird version 91
or later. Please see the references 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-2021-29981
Common Vulnerability Exposure (CVE) ID: CVE-2021-29988
Common Vulnerability Exposure (CVE) ID: CVE-2021-29984
Common Vulnerability Exposure (CVE) ID: CVE-2021-29980
Common Vulnerability Exposure (CVE) ID: CVE-2021-29985
Common Vulnerability Exposure (CVE) ID: CVE-2021-29982
Common Vulnerability Exposure (CVE) ID: CVE-2021-29989
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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