In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Zoom | — | Upgrade to Zoom version 4.4.53582.0519 | Jul 9, 2019 | Jul 9, 2019 |
| Zoom Zoom | — | Upgrade to the latest version of Zoom Zoom | Feb 9, 2026 | Jul 9, 2019 |
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