CVE-2025-55029

HIGH EPSS 23.2%
Published Aug 19, 202510mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
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Published Aug 19, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
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

Threat Intelligence

EPSS Exploit Probability
23.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 1

VendorProductVersionRange
mozillafirefox* <142.0

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.