Undertow: outofmemoryerror due to @multipartconfig handling

Description

A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service (DoS) attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null.

Timeline

Scores

EPSS (exploitation in 30 days)

2.7% · top 14% of all CVEs (7 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• CWE-789: Memory Allocation with Excessive Size Value (opens in a new tab)All about CWE-789 and its CVEs

Affected products

• Red Hat · Red Hat Fuse 7.12.1

  All versions: unaffected

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.1.0

  All versions: unaffected

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8

  • unaffected 0:2.2.25-3.SP3_redhat_00001.1.el8eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9

  • unaffected 0:2.2.25-3.SP3_redhat_00001.1.el9eap – < *

• Red Hat · Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7

  • unaffected 0:2.2.25-3.SP3_redhat_00001.1.el7eap – < *

• Red Hat · Red Hat Single Sign-On 7.6.5

  All versions: unaffected

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7

  • unaffected 0:18.0.9-1.redhat_00001.1.el7sso – < *

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8

  • unaffected 0:18.0.9-1.redhat_00001.1.el8sso – < *

• Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9

  • unaffected 0:18.0.9-1.redhat_00001.1.el9sso – < *

• Red Hat · RHEL-8 based Middleware Containers

  • unaffected 7.6-27 – < *

• Red Hat · Red Hat build of Quarkus

  All versions: unaffected

• Red Hat · Red Hat Data Grid 8

  All versions: unaffected

• Red Hat · Red Hat Decision Manager 7

  All versions: affected

• Red Hat · Red Hat Integration Camel K

  All versions: affected

• Red Hat · Red Hat Integration Service Registry

  All versions: affected

• Red Hat · Red Hat JBoss Data Grid 7

  All versions: unknown

• Red Hat · Red Hat JBoss Enterprise Application Platform Expansion Pack

  All versions: unaffected

• Red Hat · Red Hat JBoss Fuse 6

  All versions: unknown

• Red Hat · Red Hat OpenStack Platform 13 (Queens) Operational Tools

  All versions: unknown

• Red Hat · Red Hat Process Automation 7

  All versions: affected

• Red Hat · Red Hat support for Spring Boot

  All versions: unaffected

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenio.undertow:undertow-parentGHSA-65h2-wf7m-q2v8 (opens in a new tab)

References (13)

• RHSA-2023:4505 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4506 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4507 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4509 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4918 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4919 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4920 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4921 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:4924 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2023:7247 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://access.redhat.com/security/cve/CVE-2023-3223 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
• RHBZ#2209689 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
• https://security.netapp.com/advisory/ntap-20231027-0004/ (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-65h2-wf7m-q2v8 (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-3223](https://trackcve.app/badge/CVE-2023-3223.svg)](https://trackcve.app/cve/CVE-2023-3223)

Record last updated 2 Aug 2024, 06:48 UTC.