CVE-2026-33349 fast-xml-parser: Entity Expansion Limits Bypassed When Set to Zero Due to JavaScript Falsy Evaluation

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From version 4.0.0-beta.3 to before version 5.5.7, the DocTypeReader in fast-xml-parser uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a...

Improper Validation of Specified Quantity in Input

Overview org.webjars.npm:fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the DocTypeReader component when the maxEntityCount or maxEntitySize configurati...

PT-2026-26487

Name of the Vulnerable Software and Affected Versions fast-xml-parser versions 4.0.0-beta.3 through 5.5.6 Description The DocTypeReader in fast-xml-parser incorrectly uses JavaScript truthy checks to evaluate maxEntityCount and maxEntitySize configuration limits. When a developer sets either limi...

CVE-2022-2053

When a POST request comes through AJP and the request exceeds the max-post-size limit maxEntitySize, Undertow's AjpServerRequestConduit implementation closes a connection without sending any response to the client/proxy. This behavior results in that a front-end proxy marking the backend worker...

DEBIAN-CVE-2022-2053

When a POST request comes through AJP and the request exceeds the max-post-size limit maxEntitySize, Undertow's AjpServerRequestConduit implementation closes a connection without sending any response to the client/proxy. This behavior results in that a front-end proxy marking the backend worker...

UBUNTU-CVE-2022-2053

When a POST request comes through AJP and the request exceeds the max-post-size limit maxEntitySize, Undertow's AjpServerRequestConduit implementation closes a connection without sending any response to the client/proxy. This behavior results in that a front-end proxy marking the backend worker...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...

OpenJDK: insufficient enforcement of totalEntitySizeLimit (JAXP, 8133962)

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory...