CVE-2025-55029

Malicious scripts could spam popups for denial of service attacks

CVSS 7.5 HIGHEPSS 0.3%CWE-400

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.

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

Affected products

Mozilla · Firefox for iOS

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1973577 https://www.mozilla.org/security/advisories/mfsa2025-68/