Vulnerability details
CVE-2024-3884
Red Hat JBoss Enterprise Application Platform 7
Undertow: outofmemory when parsing form data encoding with application/x-www-form-urlencoded
CVSS 3.1
7.5High
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 | All | CVEProject cvelistV5 (CNA) |
References and advisories
14- https://access.redhat.com/errata/RHSA-2026:0383 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:0384 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:0386 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:3889 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:3891 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:3892 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4915 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4916 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4917 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:4924 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6011 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:6012 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-3884 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2275287 issue-trackingx_refsource_REDHAT
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Details
- Published
- 2025-12-03
- Last updated
- 2026-11-05
- State
- Published
- Assigner (CNA)
- redhat
Exploit prediction (EPSS)
1.45%
Probability of exploitation in 30 days
73.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-20Improper Input Validation