CVE-2025-55028: Vulnerability in Mozilla Firefox for iOS
Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.
AI Analysis
Technical Summary
This vulnerability involves the use of repetitive JavaScript alert dialogs in Firefox for iOS, which can prevent users from interacting with the client application, effectively causing a denial of service. The issue is identified as CWE-400 (Uncontrolled Resource Consumption). The CVSS score is 6.5 (medium severity) with an attack vector of network, low attack complexity, no privileges required, user interaction required, and impact limited to availability. Mozilla fixed this vulnerability in Firefox for iOS 142.
Potential Impact
The vulnerability allows an attacker to disrupt user interaction with Firefox for iOS by causing repeated JavaScript alert popups, leading to denial of service. There is no impact on confidentiality or integrity. The availability of the application is affected, potentially rendering the browser unusable until the alerts are dismissed or the application is restarted.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox for iOS version 142. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are required once the update is applied.
CVE-2025-55028: Vulnerability in Mozilla Firefox for iOS
Description
Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the use of repetitive JavaScript alert dialogs in Firefox for iOS, which can prevent users from interacting with the client application, effectively causing a denial of service. The issue is identified as CWE-400 (Uncontrolled Resource Consumption). The CVSS score is 6.5 (medium severity) with an attack vector of network, low attack complexity, no privileges required, user interaction required, and impact limited to availability. Mozilla fixed this vulnerability in Firefox for iOS 142.
Potential Impact
The vulnerability allows an attacker to disrupt user interaction with Firefox for iOS by causing repeated JavaScript alert popups, leading to denial of service. There is no impact on confidentiality or integrity. The availability of the application is affected, potentially rendering the browser unusable until the alerts are dismissed or the application is restarted.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox for iOS version 142. Users and administrators should update to this version or later to remediate the issue. No additional mitigation steps are required once the update is applied.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mozilla
- Date Reserved
- 2025-08-05T13:26:34.685Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 68a4e678ad5a09ad00fb5d86
Added to database: 8/19/2025, 9:02:48 PM
Last enriched: 4/14/2026, 11:48:12 AM
Last updated: 5/10/2026, 4:02:05 AM
Views: 114
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