CVE-2026-6777: Vulnerability in Mozilla Firefox
Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI Analysis
Technical Summary
This vulnerability involves an unspecified 'other issue' in the Networking: DNS component of Mozilla Firefox. It was publicly disclosed and fixed in Firefox 150. The Mozilla advisory groups this CVE with other vulnerabilities fixed in the same release, indicating a low impact for CVE-2026-6777 specifically. The advisory does not provide detailed technical specifics beyond categorizing it as a networking DNS issue and classifying its impact as low.
Potential Impact
The impact of CVE-2026-6777 is considered low according to the Mozilla advisory. There are no reports of exploitation in the wild, and the vulnerability was fixed in Firefox 150. The issue relates to the DNS networking component but no further details on potential consequences are provided.
Mitigation Recommendations
A fix for this vulnerability is available in Mozilla Firefox version 150. Users and administrators should update to Firefox 150 or later to remediate this issue. Since the vulnerability is fixed in this official release, no additional mitigation steps are required beyond applying the update.
CVE-2026-6777: Vulnerability in Mozilla Firefox
Description
Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an unspecified 'other issue' in the Networking: DNS component of Mozilla Firefox. It was publicly disclosed and fixed in Firefox 150. The Mozilla advisory groups this CVE with other vulnerabilities fixed in the same release, indicating a low impact for CVE-2026-6777 specifically. The advisory does not provide detailed technical specifics beyond categorizing it as a networking DNS issue and classifying its impact as low.
Potential Impact
The impact of CVE-2026-6777 is considered low according to the Mozilla advisory. There are no reports of exploitation in the wild, and the vulnerability was fixed in Firefox 150. The issue relates to the DNS networking component but no further details on potential consequences are provided.
Mitigation Recommendations
A fix for this vulnerability is available in Mozilla Firefox version 150. Users and administrators should update to Firefox 150 or later to remediate this issue. Since the vulnerability is fixed in this official release, no additional mitigation steps are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:08.101Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e778a219fe3cd2cdd16611
Added to database: 4/21/2026, 1:16:18 PM
Last enriched: 4/21/2026, 1:32:07 PM
Last updated: 4/22/2026, 5:41:09 AM
Views: 5
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