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.
Problem types
Product status
2.2.39.Final-redhat-00001 (rpm) before *
0:1.4.18-19.SP17_redhat_00001.1.ep7.el7 (rpm) before *
0:7.1.14-4.GA_redhat_00003.1.ep7.el7 (rpm) before *
0:2.0.41-7.SP8_redhat_00001.1.el7eap (rpm) before *
0:7.3.17-5.GA_redhat_00006.1.el7eap (rpm) before *
0:2.2.39-1.Final_redhat_00001.1.el7eap (rpm) before *
0:7.4.24-4.GA_redhat_00002.1.el7eap (rpm) before *
0:2.2.39-1.Final_redhat_00001.1.el8eap (rpm) before *
0:7.4.24-4.GA_redhat_00002.1.el8eap (rpm) before *
0:2.2.39-1.Final_redhat_00001.1.el9eap (rpm) before *
0:7.4.24-4.GA_redhat_00002.1.el9eap (rpm) before *
0:1.83.0-1.redhat_00001.1.el8eap (rpm) before *
0:33.0.0-2.jre_redhat_00003.1.el8eap (rpm) before *
0:4.0.6-1.redhat_00001.1.el8eap (rpm) before *
0:1.0.0-3.redhat_00009.1.el8eap (rpm) before *
0:2.0.2-1.Final_redhat_00001.1.el8eap (rpm) before *
0:2.3.23-1.SP3_redhat_00001.1.el8eap (rpm) before *
0:1.83.0-1.redhat_00001.1.el9eap (rpm) before *
0:33.0.0-2.jre_redhat_00003.1.el9eap (rpm) before *
0:4.0.6-1.redhat_00001.1.el9eap (rpm) before *
0:1.0.0-3.redhat_00009.1.el9eap (rpm) before *
0:2.0.2-1.Final_redhat_00001.1.el9eap (rpm) before *
0:2.3.23-1.SP3_redhat_00001.1.el9eap (rpm) before *
0:4.0.10-1.redhat_00001.1.el8eap (rpm) before *
0:1.82.0-1.redhat_00001.1.el8eap (rpm) before *
0:801.3.0-1.GA_redhat_00001.1.el8eap (rpm) before *
0:1.0.1-3.redhat_00003.1.el8eap (rpm) before *
0:6.6.36-1.Final_redhat_00001.1.el8eap (rpm) before *
0:4.0.2-1.Final_redhat_00001.1.el8eap (rpm) before *
0:2.5.0-1.redhat_00001.1.el8eap (rpm) before *
0:2.3.20-2.SP4_redhat_00001.1.el8eap (rpm) before *
0:8.1.3-4.GA_redhat_00006.1.el8eap (rpm) before *
0:5.0.12-1.Final_redhat_00001.1.el8eap (rpm) before *
0:2.6.6-1.Final_redhat_00001.1.el8eap (rpm) before *
0:8.1.1-4.GA_redhat_00007.1.el8eap (rpm) before *
0:4.0.10-1.redhat_00001.1.el9eap (rpm) before *
0:1.82.0-1.redhat_00001.1.el9eap (rpm) before *
0:801.3.0-1.GA_redhat_00001.1.el9eap (rpm) before *
0:1.0.1-3.redhat_00003.1.el9eap (rpm) before *
0:6.6.36-1.Final_redhat_00001.1.el9eap (rpm) before *
0:4.0.2-1.Final_redhat_00001.1.el9eap (rpm) before *
0:2.5.0-1.redhat_00001.1.el9eap (rpm) before *
0:2.3.20-2.SP4_redhat_00001.1.el9eap (rpm) before *
0:8.1.3-4.GA_redhat_00006.1.el9eap (rpm) before *
0:5.0.12-1.Final_redhat_00001.1.el9eap (rpm) before *
0:2.6.6-1.Final_redhat_00001.1.el9eap (rpm) before *
0:8.1.1-4.GA_redhat_00007.1.el9eap (rpm) before *
Timeline
| 2024-04-16: | Reported to Red Hat. |
| 2025-12-03: | Made public. |
References
access.redhat.com/errata/RHSA-2026:0383 (RHSA-2026:0383)
access.redhat.com/errata/RHSA-2026:0384 (RHSA-2026:0384)
access.redhat.com/errata/RHSA-2026:0386 (RHSA-2026:0386)
access.redhat.com/errata/RHSA-2026:3889 (RHSA-2026:3889)
access.redhat.com/errata/RHSA-2026:3891 (RHSA-2026:3891)
access.redhat.com/errata/RHSA-2026:3892 (RHSA-2026:3892)
access.redhat.com/errata/RHSA-2026:4915 (RHSA-2026:4915)
access.redhat.com/errata/RHSA-2026:4916 (RHSA-2026:4916)
access.redhat.com/errata/RHSA-2026:4917 (RHSA-2026:4917)
access.redhat.com/errata/RHSA-2026:4924 (RHSA-2026:4924)
access.redhat.com/errata/RHSA-2026:6011 (RHSA-2026:6011)
access.redhat.com/errata/RHSA-2026:6012 (RHSA-2026:6012)
access.redhat.com/security/cve/CVE-2024-3884
bugzilla.redhat.com/show_bug.cgi?id=2275287 (RHBZ#2275287)