Information disclosure in Mozilla Firefox

CVE-2025-11710

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR…

Vulnerability class: Information Disclosure

EPSS: 0.004 (30.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11710?
CVE-2025-11710 is a critical-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 9.8/10. Published 2025-10-14.
How severe is CVE-2025-11710?
Critical severity. CVSS v3 base score is 9.8 out of 10.