DoS vulnerabilities in Mozilla Firefox

Description

Denial of service vulnerabilities were found in Mozilla Firefox. Malicious users can exploit these vulnerabilities to cause denial of service.

Below is a complete list of vulnerabilities:

1. Out of bounds memory read vulnerability in JIT Codegen Extensions can be exploited to cause denial of service.
2. Integer underflow vulnerability in Graphics: Canvas2D can be exploited to cause denial of service.

Original advisories

• MFSA2025-80

Related products

• Mozilla-Firefox

CVE list

• CVE-2025-11153
  critical
• CVE-2025-11152
  critical

Read more

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