Description
Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.
Metrics
CVSS 3.0 7.5/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Red Hat, Inc. | wildfly | 11.0.0.Beta1 |
References
- http://rhn.redhat.com/errata/RHSA-2017-0830.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0831.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0832.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0834.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0876.htmlVendor Advisory
- http://www.securityfocus.com/bid/97060Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0872Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:0873Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1404782Issue Tracking
- http://rhn.redhat.com/errata/RHSA-2017-0830.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0831.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0832.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0834.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0876.htmlVendor Advisory
- http://www.securityfocus.com/bid/97060Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:0872Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:0873Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3454Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3455Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3456Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:3458Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1404782Issue Tracking
Timeline
- Published
- Mar 12, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified