CVE-2025-55029CWE-400denial-of-service

CVE-2025-55029

High · published August 20, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
26.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00337 · 26.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2025-08-20T01:15Z
Affected products (1)
ProductVersionsFixed in
mozilla/firefox< 142.0142.0
References (2)
https://bugzilla.mozilla.org/show_bug.cgi?id=1973577 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-68/ · [email protected]
EPSS history
Timeline
  • 19 AUG 20:52Z
    Malicious scripts could spam popups for denial of service attacks
    cvelistv5