CVE-2026-6765: Vulnerability in Mozilla Firefox
Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
AI Analysis
Technical Summary
CVE-2026-6765 is an information disclosure vulnerability found in the Form Autofill component of Mozilla Firefox. It was fixed in Firefox 150 and Firefox ESR 140.10 as part of a broader security update that addressed multiple vulnerabilities, including memory safety bugs and other issues. The vulnerability could allow unauthorized disclosure of autofill data. The vendor advisory categorizes the impact as moderate and confirms that the issue is resolved in the specified Firefox versions.
Potential Impact
The vulnerability allows information disclosure from the Form Autofill component, potentially exposing sensitive autofill data to unauthorized parties. The impact is considered moderate by the vendor. There are no known exploits in the wild targeting this vulnerability. The fix is included in Firefox 150 and Firefox ESR 140.10, mitigating the risk.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 150 and Firefox ESR 140.10. Users and administrators should update to these or later versions to remediate the issue. Since the vulnerability is fixed in these official releases, no additional mitigation steps are required beyond applying the update.
CVE-2026-6765: Vulnerability in Mozilla Firefox
Description
Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6765 is an information disclosure vulnerability found in the Form Autofill component of Mozilla Firefox. It was fixed in Firefox 150 and Firefox ESR 140.10 as part of a broader security update that addressed multiple vulnerabilities, including memory safety bugs and other issues. The vulnerability could allow unauthorized disclosure of autofill data. The vendor advisory categorizes the impact as moderate and confirms that the issue is resolved in the specified Firefox versions.
Potential Impact
The vulnerability allows information disclosure from the Form Autofill component, potentially exposing sensitive autofill data to unauthorized parties. The impact is considered moderate by the vendor. There are no known exploits in the wild targeting this vulnerability. The fix is included in Firefox 150 and Firefox ESR 140.10, mitigating the risk.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 150 and Firefox ESR 140.10. Users and administrators should update to these or later versions to remediate the issue. Since the vulnerability is fixed in these official releases, no additional mitigation steps are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:40:58.662Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-32/","vendor":"Mozilla"}]
Threat ID: 69e7789e19fe3cd2cdd1649d
Added to database: 4/21/2026, 1:16:14 PM
Last enriched: 4/21/2026, 1:33:35 PM
Last updated: 4/22/2026, 5:50:49 AM
Views: 6
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