Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Security vulnerability in can be exploited to bypass security restrictions.
2. Memory safety vulnerability can be exploited to execute arbitrary code.
3. Double-free vulnerability can be exploited remotely to cause denial of service.
4. Information disclosure vulnerability can be exploited to obtain sensitive information.
5. Use after free vulnerability in XSLT can be exploited to cause denial of service or execute arbitrary code.
6. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
7. Use after free vulnerability in Custom Highlight can be exploited to cause denial of service or execute arbitrary code.
8. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.

Original advisories

• MFSA2025-09

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2024-11704
  warning
• CVE-2025-1014
  unknown
• CVE-2025-1017
  unknown
• CVE-2025-1013
  unknown
• CVE-2025-1009
  unknown
• CVE-2025-1012
  unknown
• CVE-2025-1016
  unknown
• CVE-2025-1010
  unknown
• CVE-2025-1011
  unknown

Read more

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