Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. 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-2021-24961 | Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. 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: 2024-08-04T01:44:23.355Z
Reserved: 2021-08-10T00:00:00
Link: CVE-2021-38509

No data.

Status : Modified
Published: 2021-12-08T22:15:09.050
Modified: 2024-11-21T06:17:16.783
Link: CVE-2021-38509


No data.