Multiple vulnerabilities in Mozilla Firefox ESR

Description

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

Below is a complete list of vulnerabilities:

1. Out of bounds memory read vulnerability can be exploited to cause denial of service or gain privileges.
2. Use after free vulnerability can be exploited to cause denial of service or execute arbitrary code.
3. Security vulnerability can be exploited to bypass security restrictions.
4. Security UI vulnerability can be exploited to spoof user interface.
5. Security vulnerability in can be exploited to bypass security restrictions.
6. Code injection vulnerability can be exploited to inject malicious code.
7. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

• MFSA2025-16

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2024-43097
  critical
• CVE-2025-1930
  critical
• CVE-2025-1931
  critical
• CVE-2025-1933
  critical
• CVE-2025-1934
  high
• CVE-2025-1935
  warning
• CVE-2025-1936
  high
• CVE-2025-1937
  critical
• CVE-2025-1938
  high

Read more

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