GHSA-33hj-rcmx-86mv

ghsaUSosv

Undertow Servlets Vulnerable to Remote DoS via OutOfMemoryError when Passed Large Parameter Names

view advisory published 2026-01-30Licence: CC-BY-4.0

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2024-4027US——
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…
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references

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