RHSA-2025:12188: Important: thunderbird security update

Published Jul 29, 2025
·
Updated

Important: thunderbird security update

Other sources

Mozilla Thunderbird is a standalone mail and newsgroup client.Security Fix(es): firefox: thunderbird: Large branch table could lead to truncated instruction (CVE-2025-8028) firefox: thunderbird: Memory safety bugs (CVE-2025-8035) firefox: thunderbird: Incorrect URL stripping in CSP reports (CVE-2025-8031) firefox: thunderbird: JavaScript engine only wrote partial return value to stack (CVE-2025-8027) firefox: thunderbird: Potential user-assisted code execution in ?Copy as cURL? command (CVE-2025-8030) firefox: Memory safety bugs (CVE-2025-8034) firefox: thunderbird: Incorrect JavaScript state machine for generators (CVE-2025-8033) firefox: thunderbird: XSLT documents could bypass CSP (CVE-2025-8032) firefox: thunderbird: javascript: URLs executed on object and embed tags (CVE-2025-8029) 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.

Red Hat

Affected Software

24 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian
redhat/thunderbird<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debuginfo<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debugsource<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debuginfo<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debugsource<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debuginfo<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird-debugsource<128.13.0-3.el10_0
128.13.0-3.el10_0
redhat/thunderbird<128.13.0-3.el10_0.aa
128.13.0-3.el10_0.aa
redhat/thunderbird-debuginfo<128.13.0-3.el10_0.aa
128.13.0-3.el10_0.aa
redhat/thunderbird-debugsource<128.13.0-3.el10_0.aa
128.13.0-3.el10_0.aa

Remediation

Event History

Jul 29, 2025
Advisory Published
via Red Hat·03:02 PM
Data Sourced
via Red Hat·03:02 PM
DescriptionSeverityAffected Software
May 24, 2026
Advisory Published
via Red Hat·11:08 PM
Data Sourced
via Red Hat·11:08 PM
Remedy

Frequently Asked Questions

1

What is the severity of RHSA-2025:12188?

The severity of RHSA-2025:12188 is designated as important.

2

How do I fix RHSA-2025:12188?

To fix RHSA-2025:12188, update the Thunderbird package to version 128.13.0-3.el10_0.

3

What vulnerabilities are addressed in RHSA-2025:12188?

RHSA-2025:12188 addresses vulnerabilities related to a large branch table leading to truncated instructions and memory safety bugs.

4

Which software products are affected by RHSA-2025:12188?

RHSA-2025:12188 affects multiple Red Hat Enterprise Linux products including versions for IBM z Systems, Power, and ARM 64.

5

Is any user action required for RHSA-2025:12188?

Yes, users must update their Thunderbird installation to mitigate the vulnerabilities outlined in RHSA-2025:12188.

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