CVE-2026-8969: Vulnerability in Mozilla Firefox
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
AI Analysis
Technical Summary
CVE-2026-8969 involves a mitigation bypass within the DOM security component of Mozilla Firefox. This vulnerability could potentially allow security controls to be circumvented. It was fixed in Firefox 151 as part of a broader security update that addressed multiple vulnerabilities of varying impact levels. No CVSS score is provided, but the vendor rates the impact as low. The vendor advisory explicitly states the vulnerability is fixed in Firefox 151.
Potential Impact
The impact of CVE-2026-8969 is categorized as low by Mozilla. The vulnerability involves bypassing mitigation controls in the DOM security component, which could reduce the effectiveness of security protections. There are no known exploits in the wild. The fix is included in Firefox 151, mitigating the risk for users who update.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 151. Users and administrators should update to Firefox 151 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
CVE-2026-8969: Vulnerability in Mozilla Firefox
Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8969 involves a mitigation bypass within the DOM security component of Mozilla Firefox. This vulnerability could potentially allow security controls to be circumvented. It was fixed in Firefox 151 as part of a broader security update that addressed multiple vulnerabilities of varying impact levels. No CVSS score is provided, but the vendor rates the impact as low. The vendor advisory explicitly states the vulnerability is fixed in Firefox 151.
Potential Impact
The impact of CVE-2026-8969 is categorized as low by Mozilla. The vulnerability involves bypassing mitigation controls in the DOM security component, which could reduce the effectiveness of security protections. There are no known exploits in the wild. The fix is included in Firefox 151, mitigating the risk for users who update.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 151. Users and administrators should update to Firefox 151 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-05-19T12:30:14.951Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-46/","vendor":"Mozilla"}]
Threat ID: 6a0c677fec166c07b0a99815
Added to database: 5/19/2026, 1:37:03 PM
Last enriched: 5/19/2026, 1:53:26 PM
Last updated: 5/20/2026, 5:50:27 PM
Views: 9
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