RHEL 7 : firefox (RHSA-2025:8465)

high Nessus Plugin ID 237718

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:8465 advisory.

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

Security Fix(es):

* firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)

* firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)

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-2025:8465.

Plugin Details

Severity: High

ID: 237718

File Name: redhat-RHSA-2025-8465.nasl

Version: 1.2

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/3/2025

Updated: 6/5/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2025-4919

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_els:7, p-cpe:/a:redhat:enterprise_linux:firefox, cpe:/o:redhat:enterprise_linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/3/2025

Vulnerability Publication Date: 5/17/2025

Reference Information

CVE: CVE-2025-4918, CVE-2025-4919

CWE: 787

RHSA: 2025:8465

Detections

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