Multiple vulnerabilities in Mozilla Firefox ESR

Description

Multiple vulnerabilities were found in Mozilla Firefox ESR. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions, execute arbitrary code, spoof user interface.

Below is a complete list of vulnerabilities:

1. Race condition vulnerability in the Graphics component can be exploited to cause denial of service.
2. Incorrect boundary conditions vulnerability in the JavaScript: WebAssembly component can be exploited to cause denial of service.
3. Same-origin policy bypass vulnerability in the DOM: Notifications component can be exploited to bypass security restrictions.
4. Mitigation bypass vulnerability in the DOM: Security component can be exploited to bypass security restrictions.
5. Same-origin policy bypass vulnerability in the DOM: Workers component can be exploited to bypass security restrictions.
6. Mitigation bypass vulnerability in the DOM: Core & HTML component can be exploited to bypass security restrictions.
7. Use-after-free vulnerability in the WebRTC: Audio/Video component can be exploited to cause denial of service or execute arbitrary code.
8. Use-after-free vulnerability in the Audio/Video component can be exploited to cause denial of service or execute arbitrary code.
9. Spoofing vulnerability in Firefox can be exploited to spoof user interface.

Original advisories

• MFSA2025-88

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2025-13012
  critical
• CVE-2025-13013
  high
• CVE-2025-13014
  critical
• CVE-2025-13015
  warning
• CVE-2025-13016
  critical
• CVE-2025-13017
  critical
• CVE-2025-13018
  critical
• CVE-2025-13019
  critical
• CVE-2025-13020
  critical

Read more

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