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GHSA-j23j-q57m-63v3

Denial of service in DataCommunicator class in Vaadin 8

4.3 MediumFix available

GHSA-j23j-q57m-63v3 is a medium vulnerability (CVSS 4.3) in com.vaadin:vaadin-server, published October 13, 2021. No source lists public exploit code. Fixed in com.vaadin:vaadin-server 8.14.1.

Severity
4.3 MediumCVSS 3.1, GitHub Advisories
Exploit chance
UnscoredNo EPSS score yet
Exploitation
None knownNot on CISA’s or ENISA’s lists

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Affected packages

Affected packages
PackageAffectedFixed
com.vaadin:vaadin-server
Maven
8.0.0 up to 8.14.1
8.14.1
com.vaadin:vaadin-server
Maven
8.0.0 up to 8.14.1, plus listed versions
8.0.18.0.28.0.38.0.48.0.5
Show 45 moreShow less
8.0.68.0.78.1.08.1.18.1.28.1.38.1.48.1.58.1.68.1.78.1.88.10.08.10.18.10.28.10.38.10.48.10.58.11.08.11.18.11.28.11.38.12.08.12.18.12.28.12.38.12.48.13.08.13.18.13.28.13.38.14.08.2.08.2.18.3.08.3.18.3.28.3.38.4.08.4.18.4.28.4.38.4.48.4.58.5.08.5.1
8.14.1

What each source reports

GitHub Advisories Score used4.3

Denial of service in DataCommunicator class in Vaadin 8

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.

Record
GHSA-j23j-q57m-63v3
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-400
Updated
2026-11-02
OSV4.3

Denial of service in DataCommunicator class in Vaadin 8

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.

Record
GHSA-j23j-q57m-63v3
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-400
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

This page doesn't list everything

Left out here: 22 versions. The JSON record has them.

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