SB2025111145 - Multiple vulnerabilities in Mozilla Firefox
Published: November 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 16 secuirty vulnerabilities.
1) Protection Mechanism Failure (CVE-ID: CVE-2025-13018)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the DOM: Security component. An attacker can bypass implemented security restrictions.
2) Spoofing attack (CVE-ID: CVE-2025-13015)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can perform spoofing attack.
3) Use-after-free (CVE-ID: CVE-2025-13014)
The vulnerability allows a remote attacker to crash the browser.
The vulnerability exists due to a use-after-free error in the Audio/Video component. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
4) Use-after-free (CVE-ID: CVE-2025-13020)
The vulnerability allows a remote attacker to crash the browser.
The vulnerability exists due to a use-after-free error in the WebRTC: Audio/Video component. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.
5) Protection Mechanism Failure (CVE-ID: CVE-2025-13013)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the DOM: Core & HTML component. An attacker can bypass implemented security restrictions.
6) Protection Mechanism Failure (CVE-ID: CVE-2025-13019)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the DOM: Workers component. An attacker can bypass implemented security restrictions.
7) Protection Mechanism Failure (CVE-ID: CVE-2025-13017)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the DOM: Notifications component. An attacker can bypass implemented security restrictions.
8) Buffer overflow (CVE-ID: CVE-2025-13016)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the JavaScript: WebAssembly component. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
9) Race condition (CVE-ID: CVE-2025-13012)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition in the Graphics component. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
10) Buffer overflow (CVE-ID: CVE-2025-13021)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Graphics: WebGPU component. A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
11) Buffer overflow (CVE-ID: CVE-2025-13022)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Graphics: WebGPU component. A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
12) Buffer overflow (CVE-ID: CVE-2025-13023)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Graphics: WebGPU component. A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
13) Buffer overflow (CVE-ID: CVE-2025-13024)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the JavaScript Engine: JIT component. A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
14) Buffer overflow (CVE-ID: CVE-2025-13025)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Graphics: WebGPU . A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
15) Buffer overflow (CVE-ID: CVE-2025-13026)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Graphics: WebGPU component. A remote attacker can trick the victim into opening a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
16) Buffer overflow (CVE-ID: CVE-2025-13027)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-88/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-87/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1984940
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-89/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1994164
- https://bugzilla.mozilla.org/show_bug.cgi?id=1994241
- https://bugzilla.mozilla.org/show_bug.cgi?id=1991945
- https://bugzilla.mozilla.org/show_bug.cgi?id=1980904
- https://bugzilla.mozilla.org/show_bug.cgi?id=1992130
- https://bugzilla.mozilla.org/show_bug.cgi?id=1991458
- https://bugzilla.mozilla.org/show_bug.cgi?id=1986431
- https://bugzilla.mozilla.org/show_bug.cgi?id=1988488
- https://bugzilla.mozilla.org/show_bug.cgi?id=1992032
- https://bugzilla.mozilla.org/show_bug.cgi?id=1992902
- https://bugzilla.mozilla.org/show_bug.cgi?id=1994022
- https://bugzilla.mozilla.org/show_bug.cgi?id=1994441
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1987237
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1990079
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1991715
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1994994