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Multiple Vulnerabilities in Mozilla Products 

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

Mozilla Firefox for ESR versions prior to 115.31

Mozilla Firefox for ESR versions prior to 140.6

Mozilla Firefox versions prior to 146

Overview

Multiple vulnerabilities have been reported in Mozilla products which could be exploited by a remote attacker to execute arbitrary code, gain elevated privileges, perform spoofing attack or bypass security restriction on the targeted system.

Target Audience:

All end-user organizations and individuals using Mozilla Products.

Risk Assessment:

High risk of remote code execution.

Impact Assessment:

Potential for data theft, sensitive information disclosure and complete compromise of system.

Description

Mozilla Firefox is a free and open-source web browser developed by Mozilla foundation, while Firefox ESR (Extended support Release) is a stable version tailored for organizations that re-quire long-term support with only security and maintenance updates.

Multiple vulnerabilities exist in Mozilla products due to Use-after-free in the WebRTC: Signaling component and Audio/Video: GMP component; Incorrect boundary conditions in the Graphics: CanvasWebGL component; Privilege escalation in the DOM: Notifications component; JIT mis-compilation in the JavaScript Engine: JIT component; Privilege escalation in the Netmonitor component; Same origin policy bypass in the Request Handling component; Memory safety bugs. A remote    attacker could exploit these vulnerabilities by convincing a victim to open a specially crafted web request.

Successful exploitation of these vulnerabilities could allow a remote attacker to execute arbitrary code, gain elevated privileges, perform spoofing attack or bypass security restriction on the targeted system.

Solution

Apply appropriate updates as mentioned by the vendor:

https://www.mozilla.org/en-US/security/advisories/mfsa2025-92/

https://www.mozilla.org/en-US/security/advisories/mfsa2025-93/

https://www.mozilla.org/en-US/security/advisories/mfsa2025-94/

References

Mozilla

https://www.mozilla.org/en-US/security/advisories/mfsa2025-92/

https://www.mozilla.org/en-US/security/advisories/mfsa2025-93/

https://www.mozilla.org/en-US/security/advisories/mfsa2025-94/

CVE Name

CVE-2025-14321

CVE-2025-14322

CVE-2025-14323

CVE-2025-14324

CVE-2025-14325

CVE-2025-14326

CVE-2025-14327

CVE-2025-14328

CVE-2025-14329

CVE-2025-14330

CVE-2025-14331

CVE-2025-14332

CVE-2025-14333

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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