RHSA-2025:12361: Important: firefox security update

Published Jul 31, 2025
·
Updated

Important: firefox security update

Other sources

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.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

16 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
redhat/firefox<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debuginfo<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debugsource<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debuginfo<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debugsource<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debuginfo<128.13.0-1.el8_6.aa
128.13.0-1.el8_6.aa
redhat/firefox-debugsource<128.13.0-1.el8_6.aa
128.13.0-1.el8_6.aa
redhat/firefox-debuginfo<128.13.0-1.el8_6
128.13.0-1.el8_6
redhat/firefox-debugsource<128.13.0-1.el8_6
128.13.0-1.el8_6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/firefox to a version that resolves this vulnerability.

    Fixed in 128.13.0-1.el8_6
  2. Upgrade

    Upgrade redhat/firefox-debuginfo to a version that resolves this vulnerability.

    Fixed in 128.13.0-1.el8_6
  3. Upgrade

    Upgrade redhat/firefox-debugsource to a version that resolves this vulnerability.

    Fixed in 128.13.0-1.el8_6
  4. Upgrade

    Upgrade redhat/firefox-debuginfo to a version that resolves this vulnerability.

    Fixed in 128.13.0-1.el8_6.aa
  5. Upgrade

    Upgrade redhat/firefox-debugsource to a version that resolves this vulnerability.

    Fixed in 128.13.0-1.el8_6.aa

Event History

Jul 31, 2025
Advisory Published
via Red Hat·11:08 AM
Data Sourced
via Red Hat·11:08 AM
DescriptionSeverityAffected Software
Aug 16, 2025
Advisory Published
via Red Hat·11:27 AM
Data Sourced
via Red Hat·11:27 AM
Remedy

Frequently Asked Questions

1

What is the severity of RHSA-2025:12361?

The severity of RHSA-2025:12361 is classified as Important.

2

How do I fix RHSA-2025:12361?

To fix RHSA-2025:12361, upgrade to the fixed version of Firefox 128.13.0-1.el8_6.

3

What vulnerabilities are addressed in RHSA-2025:12361?

RHSA-2025:12361 addresses vulnerabilities including CVE-2025-8028 related to Firefox's large branch table.

4

Which products are affected by RHSA-2025:12361?

RHSA-2025:12361 affects various versions of Red Hat Enterprise Linux Server and Firefox packages.

5

Is it necessary to apply the updates from RHSA-2025:12361?

Yes, applying the updates from RHSA-2025:12361 is necessary to mitigate security risks.

Contact

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