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, execute arbitrary code, perform cross-site scripting attack, spoof user interface, cause denial of service.

Below is a complete list of vulnerabilities:

1. Validation of untrusted input vulnerability can be exploited to bypass security restrictions.
2. A remote code execution vulnerability in the “Copy as cURL” feature can be exploited remotely to execute arbitrary code.
3. Cross-site scripting (XSS) vulnerability can be exploited to perform cross-site scripting attack.
4. Security UI vulnerability can be exploited to spoof user interface.
5. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability in media can be exploited to cause denial of service or execute arbitrary code.

Notas informativas originales

• MFSA2025-44

Productos relacionados

• Mozilla-Firefox-ESR

Lista CVE

• CVE-2025-5263
  warning
• CVE-2025-5264
  warning
• CVE-2025-5265
  warning
• CVE-2025-5266
  warning
• CVE-2025-5267
  high
• CVE-2025-5268
  critical
• CVE-2025-5269
  critical
• CVE-2025-5283
  high

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