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GHSA-6h4f-pj3g-q8fq

Undertow OutOfMemory when parsing form data encoding with application/x-www-form-urlencoded

Source: GitHub Advisory Database (reviewed) High CVE-2024-3884

Packages

EcosystemPackageAffectedFixed in
Maven io.undertow:undertow-core < 2.2.39.Final 2.2.39.Final
Maven io.undertow:undertow-core >= 2.4.0.Alpha1, < 2.4.0.Beta1 2.4.0.Beta1
Maven io.undertow:undertow-core >= 2.3.0.Alpha1, < 2.3.21.Final 2.3.21.Final

Details

As written in the advisory (Markdown source, shown as plain text).

A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParse(StreamSourceChannel) method to parse large form data encoding with application/x-www-form-urlencoded, the method will cause an OutOfMemory issue. This flaw allows unauthorized users to cause a remote denial of service (DoS) attack.

References

External links from the advisory. They lead to third-party sites.