RHEL 9 : firefox (RHSA-2025:1066)

critical Nessus Plugin ID 215101

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-2025:1066 advisory.

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

Security Fix(es):

* firefox: thunderbird: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 (CVE-2025-1017)

* firefox: thunderbird: Use-after-free in Custom Highlight (CVE-2025-1010)

* firefox: thunderbird: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7 (CVE-2025-1016)

* firefox: thunderbird: Potential opening of private browsing tabs in normal browsing windows (CVE-2025-1013)

* firefox: thunderbird: A bug in WebAssembly code generation could result in a crash (CVE-2025-1011)

* firefox: thunderbird: Use-after-free in XSLT (CVE-2025-1009)

* firefox: thunderbird: Certificate length was not properly checked (CVE-2025-1014)

* firefox: thunderbird: Use-after-free during concurrent delazification (CVE-2025-1012)

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-2025:1066.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2343748

https://bugzilla.redhat.com/show_bug.cgi?id=2343750

https://bugzilla.redhat.com/show_bug.cgi?id=2343752

https://bugzilla.redhat.com/show_bug.cgi?id=2343754

https://bugzilla.redhat.com/show_bug.cgi?id=2343756

https://bugzilla.redhat.com/show_bug.cgi?id=2343760

https://bugzilla.redhat.com/show_bug.cgi?id=2343764

https://bugzilla.redhat.com/show_bug.cgi?id=2343765

http://www.nessus.org/u?1dcdfa62

https://access.redhat.com/errata/RHSA-2025:1066

Plugin Details

Severity: Critical

ID: 215101

File Name: redhat-RHSA-2025-1066.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/7/2025

Updated: 2/7/2025

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2025-1017

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-x11, cpe:/o:redhat:enterprise_linux:9

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: 2/5/2025

Vulnerability Publication Date: 2/4/2025

Reference Information

CVE: CVE-2025-1009, CVE-2025-1010, CVE-2025-1011, CVE-2025-1012, CVE-2025-1013, CVE-2025-1014, CVE-2025-1016, CVE-2025-1017

CWE: 119, 120, 1284, 362, 416

RHSA: 2025:1066