RHSA-2023:0823: Important: thunderbird security update

Published Feb 20, 2023
·
Updated

Mozilla Thunderbird is a standalone mail and newsgroup client.<br>This update upgrades Thunderbird to version 102.8.0.<br>Security Fix(es):<br><li> Mozilla: Content security policy leak in violation reports using iframes (CVE-2023-25728)</li> <li> Mozilla: Screen hijack via browser fullscreen mode (CVE-2023-25730)</li> <li> Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey (CVE-2023-25735)</li> <li> Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry (CVE-2023-25737)</li> <li> Mozilla: Use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext (CVE-2023-25739)</li> <li> Mozilla: Fullscreen notification not shown in Firefox Focus (CVE-2023-25743)</li> <li> Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8 (CVE-2023-25744)</li> <li> Mozilla: Memory safety bugs fixed in Firefox ESR 102.8 (CVE-2023-25746)</li> <li> Mozilla: Extensions could have opened external schemes without user knowledge (CVE-2023-25729)</li> <li> Mozilla: Out of bounds memory write from EncodeInputStream (CVE-2023-25732)</li> <li> Mozilla: User Interface lockup with messages combining S/MIME and OpenPGP (CVE-2023-0616)</li> <li> Mozilla: Web Crypto ImportKey crashes tab (CVE-2023-25742)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

12 affected componentsFixes available
redhat/thunderbird<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debuginfo<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debugsource<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debuginfo<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debugsource<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debuginfo<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird-debugsource<102.8.0-2.el9_0
102.8.0-2.el9_0
redhat/thunderbird<102.8.0-2.el9_0.aa
102.8.0-2.el9_0.aa
redhat/thunderbird-debuginfo<102.8.0-2.el9_0.aa
102.8.0-2.el9_0.aa
redhat/thunderbird-debugsource<102.8.0-2.el9_0.aa
102.8.0-2.el9_0.aa

Remediation

Event History

Aug 26, 2025
Advisory Published
via Red Hat·07:54 AM
Data Sourced
via Red Hat·07:54 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2023:0823?

The severity of RHSA-2023:0823 is rated as important due to the potential impact of vulnerabilities addressed in the update.

2

How do I fix RHSA-2023:0823?

To fix RHSA-2023:0823, update Thunderbird to version 102.8.0-2.el9_0 or higher.

3

What vulnerabilities are addressed in RHSA-2023:0823?

RHSA-2023:0823 addresses vulnerabilities including CVE-2023-25728 related to content security policy leaks.

4

Which versions of Thunderbird are affected by RHSA-2023:0823?

RHSA-2023:0823 affects versions of Thunderbird prior to 102.8.0-2.el9_0.

5

Is RHSA-2023:0823 applicable to other operating systems?

RHSA-2023:0823 is specifically applicable to Red Hat Enterprise Linux and its derivatives.

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