RHSA-2023:0818: Important: thunderbird security update
First published: Mon 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 | Affected Version | How to fix |
|---|---|---|
| redhat/thunderbird | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird-debuginfo | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird-debugsource | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird-debuginfo | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
| redhat/thunderbird-debugsource | <102.8.0-2.el8_1 | 102.8.0-2.el8_1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2170374
- https://bugzilla.redhat.com/show_bug.cgi?id=2170375
- https://bugzilla.redhat.com/show_bug.cgi?id=2170376
- https://bugzilla.redhat.com/show_bug.cgi?id=2170378
- https://bugzilla.redhat.com/show_bug.cgi?id=2170379
- https://bugzilla.redhat.com/show_bug.cgi?id=2170381
- https://bugzilla.redhat.com/show_bug.cgi?id=2170382
- https://bugzilla.redhat.com/show_bug.cgi?id=2170383
- https://bugzilla.redhat.com/show_bug.cgi?id=2170390
- https://bugzilla.redhat.com/show_bug.cgi?id=2170391
- https://bugzilla.redhat.com/show_bug.cgi?id=2170402
- https://bugzilla.redhat.com/show_bug.cgi?id=2171397
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2023:0818 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2023:0818?
The severity of RHSA-2023:0818 is categorized as high due to the significant security vulnerabilities it addresses in Mozilla Thunderbird.
How do I fix RHSA-2023:0818?
To fix RHSA-2023:0818, upgrade Mozilla Thunderbird to version 102.8.0 available from Red Hat.
What vulnerabilities are addressed in RHSA-2023:0818?
RHSA-2023:0818 addresses a content security policy leak and a screen hijack vulnerability.
Which versions of Thunderbird are affected by RHSA-2023:0818?
RHSA-2023:0818 affects versions of Thunderbird prior to 102.8.0-2.el8_1.
Is there a need to restart after applying RHSA-2023:0818?
Yes, a restart is recommended after applying RHSA-2023:0818 to ensure all security updates take effect.
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