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Test ID:1.3.6.1.4.1.25623.1.0.818505
Category:General
Title:Mozilla Thunderbird Security Advisories (MFSA2021-35, MFSA2021-36) - Windows
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 Windows.

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
https://security.gentoo.org/glsa/202202-03
https://bugzilla.mozilla.org/show_bug.cgi?id=1707774
https://www.mozilla.org/security/advisories/mfsa2021-33/
https://www.mozilla.org/security/advisories/mfsa2021-36/
Common Vulnerability Exposure (CVE) ID: CVE-2021-29988
https://security.gentoo.org/glsa/202208-14
https://bugzilla.mozilla.org/show_bug.cgi?id=1717922
https://www.mozilla.org/security/advisories/mfsa2021-34/
https://www.mozilla.org/security/advisories/mfsa2021-35/
Common Vulnerability Exposure (CVE) ID: CVE-2021-29984
https://bugzilla.mozilla.org/show_bug.cgi?id=1720031
Common Vulnerability Exposure (CVE) ID: CVE-2021-29980
https://bugzilla.mozilla.org/show_bug.cgi?id=1722204
Common Vulnerability Exposure (CVE) ID: CVE-2021-29985
https://bugzilla.mozilla.org/show_bug.cgi?id=1722083
Common Vulnerability Exposure (CVE) ID: CVE-2021-29982
https://bugzilla.mozilla.org/show_bug.cgi?id=1715318
Common Vulnerability Exposure (CVE) ID: CVE-2021-29989
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1662676%2C1666184%2C1719178%2C1719998%2C1720568
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