Multiple vulnerabilities in Mozilla Firefox ESR

Descripción

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.

Below is a complete list of vulnerabilities:

1. Security vulnerability in the Graphics: WebRender component can be exploited to bypass security restrictions.
2. Memory safety bug fixed in Firefox ESR 115
3. A remote code execution vulnerability in the Networking: HTTP component can be exploited remotely to execute arbitrary code.
4. Security vulnerability in the DOM: Workers component can be exploited to bypass security restrictions.
5. Security vulnerability in the DOM: Navigation component can be exploited to bypass security restrictions.
6. Denial of service vulnerability in the Networking component can be exploited remotely to cause denial of service.
7. JIT miscompilation in the DOM: Core & HTML component
8. Security vulnerability in the DOM: Security component can be exploited to bypass security restrictions.
9. Denial of service vulnerability in the Internationalization component can be exploited remotely to cause denial of service.
10. Denial of service vulnerability in the Graphics: ImageLib component can be exploited remotely to cause denial of service.
11. A remote code execution vulnerability in Firefox ESR 115 can be exploited remotely to execute arbitrary code.

Notas informativas originales

• MFSA2026-59

Productos relacionados

• Mozilla-Firefox-ESR

Lista CVE

• CVE-2026-12289
  critical
• CVE-2026-12290
  critical
• CVE-2026-12291
  critical
• CVE-2026-12294
  critical
• CVE-2026-12295
  critical
• CVE-2026-12297
  critical
• CVE-2026-12299
  critical
• CVE-2026-12302
  high
• CVE-2026-12325
  high
• CVE-2026-12328
  critical
• CVE-2026-12330
  high

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