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CVE-2025-61602

BigBlueButton vulnerable to Chat DoS via invalid reactionEmojiId PUBLISHED

Description (CNA)

BigBlueButton is an open-source virtual classroom. A denial-of-service (DoS) vulnerability in versions prior to 3.0.13 allows any authenticated user to crash the chat functionality for all participants in a meeting by sending a malformed `reactionEmojiId` in the GraphQL mutation `chatSendMessageReaction`. Version 3.0.13 contains a patch. No known workarounds are available.

Affected (CNA)

Vendor / productVersions
bigbluebutton / bigbluebuttonaffected < 3.0.13

CWE

CWE-703

References

ADP enrichment

CISA-ADP

No English description supplied.