GMS-2021-143: Denial of service in DataCommunicator class in Vaadin 8

October 13, 2021

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 (Vaadin 8.0.0 through 8.14.0) allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data.

References

github.com/advisories/GHSA-j23j-q57m-63v3
github.com/vaadin/framework/pull/12415
github.com/vaadin/framework/security/advisories/GHSA-j23j-q57m-63v3
vaadin.com/security/cve-2021-33609

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