# CVE-2024-4109: Withdrawn Advisory: undertow: information leakage via HTTP/2 request header reuse

Source: https://junglewise.ai/threats/cve-2024-4109-withdrawn-advisory-undertow-information-leakage-via-http-2-request  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-12-12  
License: CC BY 4.0 with a link back

CVE-2024-4109 · Severity: low · CVSS 3.1 · Published 2024-12-12

Withdrawn Advisory: undertow: information leakage via HTTP/2 request header reuse

Technologies: [io.undertow:undertow-core (Maven)](https://junglewise.ai/threats/technologies/io-undertow-undertow-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2024-4109 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-4109 being exploited in the wild.

**How severe is CVE-2024-4109?** Low severity, with a CVSS score of 3.1, published 12 December 2024.

**Which products and versions are affected?** io.undertow:undertow-core (Maven) ECOSYSTEM:introduced=0,last_affected=2.3.18.Final.

**Is there a fix for CVE-2024-4109?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2024-4109?** Check whether you run io.undertow:undertow-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- io.undertow:undertow-core (Maven) ECOSYSTEM:introduced=0,last_affected=2.3.18.Final

## Identifiers

- CVE-2024-4109
- GHSA-22c5-cpvr-cfvq

## Related threats

- [Red Hat Undertow resource exhaustion in HTTP request parsing](https://junglewise.ai/threats/cve-2026-3260-red-hat-undertow-resource-exhaustion-in-http-request-parsing)
- [Red Hat Undertow denial of service via OutOfMemoryError in getParameterNames](https://junglewise.ai/threats/cve-2024-4027-red-hat-undertow-denial-of-service-via-outofmemoryerror-in)
- [Red Hat Undertow improper Host header validation](https://junglewise.ai/threats/cve-2025-12543-red-hat-undertow-improper-host-header-validation)
- [Red Hat Undertow OutOfMemory denial of service in form parsing](https://junglewise.ai/threats/cve-2024-3884-red-hat-undertow-outofmemory-denial-of-service-in-form-parsing)
- [Red Hat Undertow denial of service via MadeYouReset attack](https://junglewise.ai/threats/cve-2025-9784-red-hat-undertow-denial-of-service-via-madeyoureset-attack)