cve.bz

CVE-2024-4027

7.5 highEPSS 0.4%

High (7.5). EPSS 0.4% chance of exploitation in the next 30 days. Fixed in io.undertow:undertow-core 2.2.39.Final, 2.3.21.Final, 2.4.0.Beta1.

A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE
CWE-20
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-33hj-rcmx-86mvMavenio.undertow:undertow-core<2.2.39.Final2.2.39.Final
GHSA-33hj-rcmx-86mvMavenio.undertow:undertow-core>=2.4.0.Alpha1 <2.4.0.Beta12.4.0.Beta1
GHSA-33hj-rcmx-86mvMavenio.undertow:undertow-core>=2.3.0.Alpha1 <2.3.21.Final2.3.21.Final

References

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