CVE-2025-55029

high

Description

Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.

References

https://www.mozilla.org/security/advisories/mfsa2025-68/

https://bugzilla.mozilla.org/show_bug.cgi?id=1973577

Details

Source: Mitre, NVD

Published: 2025-08-19

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00018