RHSA-2025:8642: Important: thunderbird security update

Published Jun 9, 2025
·
Updated

Important: thunderbird security update

Other sources

Mozilla Thunderbird is a standalone mail and newsgroup client.<br>Security Fix(es):<br><li> firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)</li> <li> firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)</li> <li> firefox: thunderbird: Clickjacking vulnerability could have led to leaking saved payment card details (CVE-2025-5267)</li> <li> firefox: thunderbird: Potential local code execution in ?Copy as cURL? command (CVE-2025-5264)</li> <li> firefox: thunderbird: Memory safety bugs (CVE-2025-5268)</li> <li> firefox: thunderbird: Script element events leaked cross-origin resource status (CVE-2025-5266)</li> <li> firefox: thunderbird: Error handling for script execution was incorrectly isolated from web content (CVE-2025-5263)</li> <li> firefox: thunderbird: Memory safety bug (CVE-2025-5269)</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.

Red Hat

Affected Software

17 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
redhat/thunderbird<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird-debuginfo<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird-debugsource<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird-debuginfo<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird-debugsource<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird<128.11.0-1.el9_2.aa
128.11.0-1.el9_2.aa
redhat/thunderbird-debuginfo<128.11.0-1.el9_2.aa
128.11.0-1.el9_2.aa
redhat/thunderbird-debugsource<128.11.0-1.el9_2.aa
128.11.0-1.el9_2.aa
redhat/thunderbird-debuginfo<128.11.0-1.el9_2
128.11.0-1.el9_2
redhat/thunderbird-debugsource<128.11.0-1.el9_2
128.11.0-1.el9_2

Remediation

Event History

Jun 9, 2025
Advisory Published
via Red Hat·04:37 AM
Jun 29, 2025
Advisory Published
via Red Hat·05:10 AM
Data Sourced
via Red Hat·05:10 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2025:8642?

RHSA-2025:8642 is classified as an important security update due to vulnerabilities in Mozilla Thunderbird.

2

How do I fix RHSA-2025:8642?

To fix RHSA-2025:8642, update to version 128.11.0-1.el9_2 of the Thunderbird package.

3

What vulnerabilities are addressed in RHSA-2025:8642?

RHSA-2025:8642 addresses out-of-bounds access vulnerabilities related to Promise objects in Mozilla Thunderbird.

4

Which systems are affected by RHSA-2025:8642?

RHSA-2025:8642 affects various versions of Red Hat Enterprise Linux, particularly those using the Thunderbird email client.

5

Is there a specific package version for RHSA-2025:8642?

Yes, the specific package version for RHSA-2025:8642 is 128.11.0-1.el9_2.

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