Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
---|---|---|
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DLA-2863-1 | firefox-esr security update |
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DLA-2874-1 | thunderbird security update |
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DSA-5026-1 | firefox-esr security update |
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DSA-5034-1 | thunderbird security update |
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EUVD-2021-24958 | Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. |
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USN-5131-1 | Firefox vulnerabilities |
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USN-5152-1 | Thunderbird vulnerabilities |
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USN-5248-1 | Thunderbird vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.

Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-04T01:44:22.919Z
Reserved: 2021-08-10T00:00:00
Link: CVE-2021-38506

No data.

Status : Modified
Published: 2021-12-08T22:15:08.897
Modified: 2024-11-21T06:17:16.277
Link: CVE-2021-38506


No data.