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.

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. Memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

• MFSA2025-15

Related products

• Mozilla-Firefox-ESR

CVE list

• CVE-2024-43097
  critical
• CVE-2025-1930
  critical
• CVE-2025-1931
  critical
• CVE-2025-1933
  critical
• CVE-2025-1937
  critical

Read more

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