Improper Restriction of XML External Entity Reference in com.h2database:h2.

CRITICAL 9.1CVE-2021-23463 · GHSA-7rpj-hg47-cx62 · SNYK-JAVA-COMH2DATABASE-1769238 · Published 10/12/2021 · updated 17/06/2026

Package	Affected versions	Patched versions
com.h2database:h2 Maven	`≥ 1.4.198, < 2.0.202`	`2.0.202`
h2 h2database	`≥ 1.4.198, < 2.0.202`	`2.0.202`

Description

H2 is an embeddable RDBMS written in Java. The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.

NVD description

The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.

References

nvd.nist.gov/vuln/detail/CVE-2021-23463 · ADVISORY
h2database/h2database · WEB
h2database/h2database#3199 · WEB
h2database/h2database#3199 · WEB
boris-unckel/h2database commit f9ad6ae · WEB
h2database/h2database commit d83285f · WEB
h2database/h2database · WEB
security.netapp.com/advisory/ntap-20230818-0010 · WEB
snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238 · WEB
oracle.com/security-alerts/cpuapr2022.html · WEB
security.netapp.com/advisory/ntap-20230818-0010

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Package

Affected versions

Patched versions

com.h2database:h2

Maven

≥ 1.4.198, < 2.0.202

2.0.202

h2database

≥ 1.4.198, < 2.0.202

2.0.202

Description

NVD description