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GHSA-33HJ-RCMX-86MV
Vulnerability from github – Published: 2026-01-30 15:31 – Updated: 2026-01-30 15:31
VLAI?
Details
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 ?
7.5 (High)
{
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"id": "GHSA-33hj-rcmx-86mv",
"modified": "2026-01-30T15:31:14Z",
"published": "2026-01-30T15:31:14Z",
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"schema_version": "1.4.0",
"severity": [
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CVE-2024-4027 (GCVE-0-2024-4027)
Vulnerability from cvelistv5 – Published: 2026-01-30 14:25 – Updated: 2026-01-30 14:41
VLAI?
EPSS
Title
Undertow: outofmemoryerror in httpservletrequestimpl.getparameternames() can cause remote dos attacks
Summary
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 ?
7.5 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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Impacted products
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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