RHEL 9 : firefox (RHSA-2025:12044)

critical Nessus Plugin ID 242999

Synopsis

The remote Red Hat host is missing one or more security updates for firefox.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:12044 advisory.

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL firefox package based on the guidance in RHSA-2025:12044.

Plugin Details

Severity: Critical

ID: 242999

File Name: redhat-RHSA-2025-12044.nasl

Version: 1.1

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 7/29/2025

Updated: 7/29/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-8035

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2025-8031

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-x11, cpe:/o:redhat:rhel_eus:9.4

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2025

Vulnerability Publication Date: 7/22/2025

Reference Information

CVE: CVE-2025-8027, CVE-2025-8028, CVE-2025-8029, CVE-2025-8030, CVE-2025-8031, CVE-2025-8032, CVE-2025-8033, CVE-2025-8034, CVE-2025-8035

CWE: 119, 1332, 276, 457, 476, 693, 80, 94

RHSA: 2025:12044

Detections

Analytics