CVE-2026-16382: Vulnerability in Mozilla Firefox
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
AI Analysis
Technical Summary
CVE-2026-16382 is a vulnerability in Mozilla Firefox's DOM Service Workers component that allows bypassing of mitigation controls. The issue was publicly disclosed and fixed in Firefox 153. The vendor advisory categorizes the impact as moderate and provides no indication of active exploitation. The vulnerability is part of a broader set of security fixes released simultaneously by Mozilla.
Potential Impact
The vulnerability allows bypassing mitigation mechanisms in the Service Workers component of Firefox's DOM, which could potentially weaken security controls related to service workers. The Mozilla advisory rates the impact as moderate. There are no reports of known exploits in the wild.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-16382: Vulnerability in Mozilla Firefox
Description
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16382 is a vulnerability in Mozilla Firefox's DOM Service Workers component that allows bypassing of mitigation controls. The issue was publicly disclosed and fixed in Firefox 153. The vendor advisory categorizes the impact as moderate and provides no indication of active exploitation. The vulnerability is part of a broader set of security fixes released simultaneously by Mozilla.
Potential Impact
The vulnerability allows bypassing mitigation mechanisms in the Service Workers component of Firefox's DOM, which could potentially weaken security controls related to service workers. The Mozilla advisory rates the impact as moderate. There are no reports of known exploits in the wild.
Mitigation Recommendations
A fix for this vulnerability is available in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:56:53.743Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cbe2a4a8d59892625f0
Added to database: 07/21/2026, 12:57:34 UTC
Last enriched: 07/21/2026, 13:28:51 UTC
Last updated: 07/21/2026, 21:19:06 UTC
Views: 4
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