Rocky Linux 9 [CIQ] Security Update: firefox / firefox-debuginfo / firefox-debugsource / firefox-x11 Multiple Vulnerabilities (crlsa-2026_89757)

high Nessus Plugin ID 374793

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_89757 advisory.

* libexpat: denial of service via crafted XML input (CVE-2026-45186)

* firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

* firefox: Use-after-free in the XML component (CVE-2026-109718)

* firefox: Information disclosure in the PDF Viewer component (CVE-2026-109742)

* firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

* firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

* firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

* firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

* firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

* firefox: Sandbox escape due to uninitialized memory in the DOM: Web Serial component (CVE-2026-109745)

* firefox: Mitigation bypass in the File Handling component (CVE-2026-109782)

* firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component (CVE-2026-109709)

* firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component (CVE-2026-109705)

* firefox: Use-after-free in the Audio/Video: Playback component (CVE-2026-109738)

* firefox: Sandbox escape due to race condition in the Networking component (CVE-2026-109757)

* firefox: Use-after-free in the Storage: Bucket File System component (CVE-2026-109741)

* firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

* firefox: Other issue in the DOM: File component (CVE-2026-109744)

* firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

* firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

* firefox: Incorrect boundary conditions in the Layout component (CVE-2026-109753)

* firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

* firefox: Privilege escalation in the DOM: Navigation component (CVE-2026-109756)

* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109733)

* firefox: Mitigation bypass in the File Handling component (CVE-2026-109763)

* firefox: Sandbox escape due to incorrect boundary conditions in the Networking component (CVE-2026-109708)

* firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

* firefox: Use-after-free in the DOM: Workers component (CVE-2026-109752)

* firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

* firefox: Mitigation bypass in the Networking: HTTP component (CVE-2026-109760)

* firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

* firefox: Use-after-free in the SVG component (CVE-2026-109726)

* firefox: Integer overflow in the Graphics component (CVE-2026-109730)

* firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

* firefox: Mitigation bypass in the Enterprise Policies component (CVE-2026-109737)

* firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

* firefox: Site isolation issue in the Networking component (CVE-2026-109759)

* firefox: Incorrect boundary conditions in the SVG component (CVE-2026-109762)

* firefox: Incorrect boundary conditions in the DOM: Editor component (CVE-2026-109754)

* firefox: Information disclosure in the Networking component (CVE-2026-109751)

* firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)

* firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)

* firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)

* firefox: Frame poisoning in the Layout component (CVE-2026-109736)

* firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)

* firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)

* firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)

* firefox: Privilege escalation in the Panning and Zooming component (CVE-2026-109743)

Bug Fix(es) and Enhancement(s):

* Firefox ESR 153 rebase [rhel-9.8.z] (JIRA:Rocky Linux-175155)

Tenable has extracted the preceding description block directly from the CIQ 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 affected packages based on the guidance in CIQ advisory crlsa-2026_89757.

Plugin Details

Severity: High

ID: 374793

File Name: ciq_rocky_linux_9_crlsa-2026_89757.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 11/1/2026

Updated: 11/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.11

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-45186

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/31/2026

Vulnerability Publication Date: 5/10/2026

Reference Information

CVE: CVE-2026-109704, CVE-2026-109705, CVE-2026-109706, CVE-2026-109707, CVE-2026-109708, CVE-2026-109709, CVE-2026-109711, CVE-2026-109712, CVE-2026-109713, CVE-2026-109715, CVE-2026-109716, CVE-2026-109717, CVE-2026-109718, CVE-2026-109719, CVE-2026-109720, CVE-2026-109721, CVE-2026-109722, CVE-2026-109723, CVE-2026-109724, CVE-2026-109725, CVE-2026-109726, CVE-2026-109727, CVE-2026-109728, CVE-2026-109729, CVE-2026-109730, CVE-2026-109732, CVE-2026-109733, CVE-2026-109736, CVE-2026-109737, CVE-2026-109738, CVE-2026-109740, CVE-2026-109741, CVE-2026-109742, CVE-2026-109743, CVE-2026-109744, CVE-2026-109745, CVE-2026-109751, CVE-2026-109752, CVE-2026-109753, CVE-2026-109754, CVE-2026-109756, CVE-2026-109757, CVE-2026-109759, CVE-2026-109760, CVE-2026-109762, CVE-2026-109763, CVE-2026-109782, CVE-2026-45186

Detections

Analytics