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MiracleLinux 8 : thunderbird-140.9.0-1.el8_10.ML.1 (AXSA:2026-444:07)

critical Nessus Plugin ID 307264

Synopsis

The remote MiracleLinux host is missing one or more security updates.

Description

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-444:07 advisory.

 * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-4701)
 * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4721)
 * firefox: thunderbird: Privilege escalation in the Netmonitor component (CVE-2026-4717)
 * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component (CVE-2026-4688)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4706)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4695)
 * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4689)
 * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-4698)
 * firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component (CVE-2026-4716)
 * firefox: thunderbird: Race condition, use-after-free in the Graphics: WebRender component (CVE-2026-4684)
 * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4705)
 * firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component (CVE-2026-4715)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4685)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4714)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-4709)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video component (CVE-2026-4710)
 * firefox: thunderbird: Information disclosure in the Widget: Cocoa component (CVE-2026-4712)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Web Codecs component (CVE-2026-4697)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4713)
 * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component (CVE-2026-4690)
 * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-4711)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4686)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-4708)
 * firefox: thunderbird: Use-after-free in the CSS Parsing and Computation component (CVE-2026-4691)
 * firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component (CVE-2026-4699)
 * firefox: thunderbird: Use-after-free in the Layout: Text and Fonts component (CVE-2026-4696)
 * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: Playback component (CVE-2026-4693)
 * firefox: thunderbird: Undefined behavior in the WebRTC: Signaling component (CVE-2026-4718)
 * firefox: thunderbird: JIT miscompilation in the JavaScript Engine component (CVE-2026-4702)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Text component (CVE-2026-4719)
 * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics component (CVE-2026-4694)
 * firefox: thunderbird: Sandbox escape in the Responsive Design Mode component (CVE-2026-4692)
 * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149 (CVE-2026-4720)
 * firefox: thunderbird: Mitigation bypass in the Networking: HTTP component (CVE-2026-4700)
 * firefox: thunderbird: Incorrect boundary conditions in the Graphics: Canvas2D component (CVE-2026-4707)
 * firefox: thunderbird: Denial-of-service in the WebRTC: Signaling component (CVE-2026-4704)
 * firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Telemetry component (CVE-2026-4687)
 * thunderbird: Out of bounds read in IMAP parsing (CVE-2026-4371)
 * thunderbird: Spoofing issue in Thunderbird (CVE-2026-3889)

Tenable has extracted the preceding description block directly from the MiracleLinux 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 thunderbird package.

See Also

https://tsn.miraclelinux.com/en/node/23269

Plugin Details

Severity: Critical

ID: 307264

File Name: miracle_linux_AXSA-2026-444.nasl

Version: 1.1

Type: Local

Published: 4/17/2026

Updated: 4/17/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

Vendor

Vendor Severity: High

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-2026-4688

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

Vulnerability Information

CPE: p-cpe:/a:miracle:linux:thunderbird, cpe:/o:miracle:linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/17/2026

Vulnerability Publication Date: 3/4/2026

Reference Information

CVE: CVE-2026-3889, CVE-2026-4371, CVE-2026-4684, CVE-2026-4685, CVE-2026-4686, CVE-2026-4687, CVE-2026-4688