CVE-2018-12537

In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.

• CWE-93
• CWE-20

• https://access.redhat.com/errata/RHSA-2018:2371Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3768Third Party Advisory
• https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038Issue Tracking, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1591072Issue Tracking, Third Party Advisory
• https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72Third Party Advisory
• https://github.com/eclipse/vert.x/issues/2470Third Party Advisory
• https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txtThird Party Advisory
• https://access.redhat.com/errata/RHSA-2018:2371Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3768Third Party Advisory
• https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038Issue Tracking, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1591072Issue Tracking, Third Party Advisory
• https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72Third Party Advisory
• https://github.com/eclipse/vert.x/issues/2470Third Party Advisory
• https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txtThird Party Advisory

Published

Aug 14, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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