high7.5
CVE-2024-3884
Undertow OutOfMemory when parsing form data encoding with application/x-www-form-urlencoded
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | io.undertow:undertow-core | = 2.4.0.Alpha1 | 2.4.0.Beta1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://access.redhat.com/errata/RHSA-2026:0383
- https://access.redhat.com/errata/RHSA-2026:0384
- https://access.redhat.com/errata/RHSA-2026:0386
- https://access.redhat.com/errata/RHSA-2026:3889
- https://access.redhat.com/errata/RHSA-2026:3891
- https://access.redhat.com/errata/RHSA-2026:3892
- https://access.redhat.com/errata/RHSA-2026:4915
- https://access.redhat.com/errata/RHSA-2026:4916
- https://access.redhat.com/errata/RHSA-2026:4917
- https://access.redhat.com/errata/RHSA-2026:4924
- https://access.redhat.com/errata/RHSA-2026:6011
- https://access.redhat.com/errata/RHSA-2026:6012
- https://access.redhat.com/security/cve/CVE-2024-3884
- https://bugzilla.redhat.com/show_bug.cgi?id=2275287
- https://github.com/advisories/GHSA-6h4f-pj3g-q8fq
- https://nvd.nist.gov/vuln/detail/CVE-2024-3884
- https://access.redhat.com/errata/RHSA-2025:22777
- https://access.redhat.com/errata/RHSA-2025:22773
- https://access.redhat.com/errata/RHSA-2025:22775
- https://access.redhat.com/errata/RHSA-2025:3990
- https://access.redhat.com/errata/RHSA-2025:3992
- https://github.com/undertow-io/undertow/pull/1856
- https://github.com/undertow-io/undertow/pull/1860
- https://github.com/undertow-io/undertow/releases/tag/2.3.21.Final
- https://github.com/undertow-io/undertow/pull/1894