Mozilla Firefox < 3.0.15

critical Nessus Plugin ID 279212

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Synopsis

A web browser installed on the remote macOS or Mac OS X host is affected by a vulnerability.

Description

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 3.0.15. It is, therefore, affected by a vulnerability as referenced in the mfsa2009-55 advisory.

- Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a crafted regular expression in a Proxy Auto-configuration (PAC) file.
(CVE-2009-3372)

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

Solution

Upgrade to Mozilla Firefox version 3.0.15 or later.

Plugin Details

Severity: Critical

ID: 279212

File Name: macos_firefox_3_0_15.nasl

Version: 1.1

Type: local

Agent: macosx

Family: MacOS X Local Security Checks

Published: 12/18/2025

Updated: 12/18/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2009-3372

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: cpe:/a:mozilla:firefox

Required KB Items: installed_sw/Mozilla Firefox

Exploit Ease: No known exploits are available

Patch Publication Date: 10/27/2009

Vulnerability Publication Date: 10/27/2009

Reference Information

CVE: CVE-2009-3372

Detections

Analytics