CVE-2025-55029 — HIGH (7.5)

Q: What is CVE-2025-55029?

CVE-2025-55029 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

Q: How severe is CVE-2025-55029?

CVE-2025-55029 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-55029?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mozilla	Firefox	< 142.0

Related Weaknesses (CWE)

CWE-400

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1973577Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2025-68/Vendor Advisory

FAQ

What is CVE-2025-55029?

CVE-2025-55029 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2025-55029?

CVE-2025-55029 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55029?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.