Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Metrics
Affected Vendors & Products
References
History
Wed, 22 Apr 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
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| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
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| Vendors & Products |
Mozilla thunderbird
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Wed, 22 Apr 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-358 | |
| References |
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| Metrics |
threat_severity
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threat_severity
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Wed, 22 Apr 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-693 |
Wed, 22 Apr 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. |
| Weaknesses | CWE-200 CWE-288 CWE-693 |
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| References |
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| Metrics |
cvssV3_1
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Tue, 21 Apr 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox |
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| Vendors & Products |
Mozilla
Mozilla firefox |
Tue, 21 Apr 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. | |
| Title | Mitigation bypass in the DOM: Security component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-04-21T12:41:03.920Z
Updated: 2026-04-21T23:35:05.769Z
Reserved: 2026-04-21T12:41:03.627Z
Link: CVE-2026-6771
Updated: 2026-04-21T19:30:46.654Z
Status : Analyzed
Published: 2026-04-21T13:16:22.927
Modified: 2026-04-22T16:06:55.580
Link: CVE-2026-6771