CVE-2026-100826: Vulnerability in Mozilla Firefox
Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
AI Analysis
Technical Summary
This vulnerability involves a denial-of-service condition within the StorageManager component of Mozilla Firefox. It was identified and resolved by Mozilla in Firefox ESR 153.4 and Firefox 157. The flaw could allow an attacker to cause the StorageManager to fail or become unresponsive, potentially disrupting normal browser operations. The fix is included in the specified versions, and users are advised to update accordingly.
Potential Impact
Successful exploitation of this vulnerability could result in denial-of-service, causing the StorageManager component to become unresponsive and potentially impacting browser functionality. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation actions are required beyond applying the official update.
CVE-2026-100826: Vulnerability in Mozilla Firefox
Description
Denial-of-service in the Storage: StorageManager component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
CVSS v3.1
Score 6.5medium
Affected software
Mozilla
Firefox
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a denial-of-service condition within the StorageManager component of Mozilla Firefox. It was identified and resolved by Mozilla in Firefox ESR 153.4 and Firefox 157. The flaw could allow an attacker to cause the StorageManager to fail or become unresponsive, potentially disrupting normal browser operations. The fix is included in the specified versions, and users are advised to update accordingly.
Potential Impact
Successful exploitation of this vulnerability could result in denial-of-service, causing the StorageManager component to become unresponsive and potentially impacting browser functionality. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released an official fix for this vulnerability in Firefox ESR 153.4 and Firefox 157. Users and administrators should update to these versions or later to remediate the issue. No additional mitigation actions are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-26T19:18:50.051Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-100/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/","vendor":"Mozilla"}]
Threat ID: 6abbb3f9f7a7c541066409ca
Added to database: 09/29/2026, 12:50:01 UTC
Last enriched: 09/29/2026, 13:03:03 UTC
Last updated: 09/29/2026, 18:20:13 UTC
Views: 12
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