Multiple vulnerabilities in Mozilla Firefox ESR

Descrição

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

Below is a complete list of vulnerabilities:

1. Security vulnerability can be exploited to bypass security restrictions.
2. Security vulnerability in the DOM: Networking component can be exploited to bypass security restrictions.
3. Security vulnerability in the DOM: Navigation component can be exploited to bypass security restrictions.
4. A remote code execution vulnerability in the Graphics: Text component can be exploited remotely to execute arbitrary code.
5. Security vulnerability in the Remote Settings Client component can be exploited to bypass security restrictions.
6. A remote code execution vulnerability in the Graphics: ImageLib component can be exploited remotely to execute arbitrary code.
7. Information disclosure vulnerability in the Graphics: Text component can be exploited to obtain sensitive information.
8. Denial of service vulnerability in the Graphics: CanvasWebGL component can be exploited remotely to cause denial of service.
9. Information disclosure vulnerability in the Graphics component can be exploited to obtain sensitive information.
10. A remote code execution vulnerability in the Layout: Text and Fonts component can be exploited remotely to execute arbitrary code.
11. A remote code execution vulnerability in the Graphics component can be exploited remotely to execute arbitrary code.
12. Security vulnerability in the Graphics: ImageLib component can be exploited to bypass security restrictions.

Comunicados originais

• MFSA2026-75

Exploração

Public exploits exist for this vulnerability.

Produtos relacionados

• Mozilla-Firefox-ESR

Lista de CVE

• CVE-2026-74934
  unknown
• CVE-2026-74935
  critical
• CVE-2026-74939
  critical
• CVE-2026-74940
  unknown
• CVE-2026-74942
  critical
• CVE-2026-74943
  unknown
• CVE-2026-74945
  unknown
• CVE-2026-74946
  critical
• CVE-2026-74948
  unknown
• CVE-2026-74969
  unknown
• CVE-2026-74973
  warning
• CVE-2026-74974
  high
• CVE-2026-74990
  critical

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