What is GHSA-j23j-q57m-63v3?

GHSA-j23j-q57m-63v3 is a security advisory published by GitHub Security Advisories with Medium severity. Denial of service in DataCommunicator class in Vaadin 8

Why does GHSA-j23j-q57m-63v3 have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

What is the CVSS v3 score of GHSA-j23j-q57m-63v3?

GHSA-j23j-q57m-63v3 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-j23j-q57m-63v3?

GHSA-j23j-q57m-63v3 affects 1 product, including: maven/com.vaadin:vaadin-server:\u003e= 8.0.0, \u003c 8.14.1.

GHSA-j23j-q57m-63v3MediumCVSS 4.3Disclosed before NVD

Denial of service in DataCommunicator class in Vaadin 8

Vendor

GitHub Security Advisories

Published

October 13, 2021

Last Modified

January 9, 2023

📋 Description

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.

🎯 Affected products1

maven/com.vaadin:vaadin-server:>= 8.0.0, < 8.14.1

🔗 References (4)

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