CVE-2026-6767: Vulnerability in Mozilla Firefox
Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
AI Analysis
Technical Summary
CVE-2026-6767 is classified as an 'other issue' in the Libraries component of NSS within Mozilla Firefox. The vulnerability was addressed and fixed in Firefox 150 and the corresponding ESR releases 115.35 and 140.10. It is grouped with other moderate impact vulnerabilities in NSS and related components. The vendor advisory confirms the fix is included in these versions, indicating that users running Firefox 150 or later, or the specified ESR versions, are protected from this issue.
Potential Impact
The vulnerability has a moderate impact as assessed by Mozilla. It affects the NSS Libraries component, which is critical for cryptographic operations in Firefox. While the exact exploitation details are not provided, the moderate rating suggests potential security concerns that could affect confidentiality or integrity if exploited. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these releases, no additional mitigation steps are required beyond applying the official updates.
CVE-2026-6767: Vulnerability in Mozilla Firefox
Description
Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6767 is classified as an 'other issue' in the Libraries component of NSS within Mozilla Firefox. The vulnerability was addressed and fixed in Firefox 150 and the corresponding ESR releases 115.35 and 140.10. It is grouped with other moderate impact vulnerabilities in NSS and related components. The vendor advisory confirms the fix is included in these versions, indicating that users running Firefox 150 or later, or the specified ESR versions, are protected from this issue.
Potential Impact
The vulnerability has a moderate impact as assessed by Mozilla. It affects the NSS Libraries component, which is critical for cryptographic operations in Firefox. While the exact exploitation details are not provided, the moderate rating suggests potential security concerns that could affect confidentiality or integrity if exploited. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these releases, no additional mitigation steps are required beyond applying the official updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:40:59.989Z
- 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/mfsa2026-31/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-32/","vendor":"Mozilla"}]
Threat ID: 69e7789e19fe3cd2cdd164a7
Added to database: 4/21/2026, 1:16:14 PM
Last enriched: 4/21/2026, 1:33:23 PM
Last updated: 4/22/2026, 6:48:42 AM
Views: 8
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