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BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1
Cite this page
CVE-2022-41963. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2022-41963
Use CWE-281, Bigbluebutton vendor hub and Bigbluebutton product page to widen CVE-2022-41963 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-61602, CVE-2025-61601 and CVE-2026-27466 for nearby disclosures in the same product family.