CVE-2016-9589

mediumpriority · track · 31EPSS 0.030 · 87 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.96% (87th) EPSS
CVSS 5 · medium
Is it mine?
54 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRed Hat JBoss Enterprise Application Platform 7redhat_csaf

    Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications. The References section of this erratum contains a download link (you must log in to download the update).

    https://access.redhat.com/errata/RHSA-2017:0830
  • Fixedrh-sso7-0:1-2.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-0:1-2.jbcs.el6.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-freemarker-0:2.3.23-1.redhat_2.2.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-freemarker-0:2.3.23-1.redhat_2.2.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-javapackages-tools-0:3.4.1-5.15.3.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-javapackages-tools-0:3.4.1-5.15.3.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-keycloak-0:2.5.5-2.Final_redhat_1.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-keycloak-0:2.5.5-2.Final_redhat_1.1.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-keycloak-server-0:2.5.5-2.Final_redhat_1.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-libunix-dbus-java-0:0.8.0-2.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-libunix-dbus-java-0:0.8.0-2.jbcs.el6.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-libunix-dbus-java-debuginfo-0:0.8.0-2.jbcs.el6.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-libunix-dbus-java-devel-0:0.8.0-2.jbcs.el6.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-liquibase-0:3.4.1-2.redhat_2.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-liquibase-0:3.4.1-2.redhat_2.1.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-liquibase-core-0:3.4.1-2.redhat_2.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-python-javapackages-0:3.4.1-5.15.3.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-runtime-0:1-2.jbcs.el6.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-twitter4j-0:4.0.4-1.redhat_3.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-twitter4j-0:4.0.4-1.redhat_3.1.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-twitter4j-core-0:4.0.4-1.redhat_3.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-zxing-0:3.2.1-1.redhat_4.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-zxing-0:3.2.1-1.redhat_4.1.jbcs.el6.src as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-zxing-core-0:3.2.1-1.redhat_4.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-zxing-javase-0:3.2.1-1.redhat_4.1.jbcs.el6.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 6 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0872
  • Fixedrh-sso7-0:1-2.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-0:1-2.jbcs.el7.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-freemarker-0:2.3.23-1.redhat_2.2.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-freemarker-0:2.3.23-1.redhat_2.2.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-javapackages-tools-0:3.4.1-5.15.3.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-javapackages-tools-0:3.4.1-5.15.3.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-keycloak-0:2.5.5-2.Final_redhat_1.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-keycloak-0:2.5.5-2.Final_redhat_1.1.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-keycloak-server-0:2.5.5-2.Final_redhat_1.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-libunix-dbus-java-0:0.8.0-2.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-libunix-dbus-java-0:0.8.0-2.jbcs.el7.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-libunix-dbus-java-debuginfo-0:0.8.0-2.jbcs.el7.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-libunix-dbus-java-devel-0:0.8.0-2.jbcs.el7.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-liquibase-0:3.4.1-2.redhat_2.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-liquibase-0:3.4.1-2.redhat_2.1.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-liquibase-core-0:3.4.1-2.redhat_2.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-python-javapackages-0:3.4.1-5.15.3.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-runtime-0:1-2.jbcs.el7.x86_64 as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-twitter4j-0:4.0.4-1.redhat_3.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-twitter4j-0:4.0.4-1.redhat_3.1.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-twitter4j-core-0:4.0.4-1.redhat_3.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-zxing-0:3.2.1-1.redhat_4.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-zxing-0:3.2.1-1.redhat_4.1.jbcs.el7.src as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-zxing-core-0:3.2.1-1.redhat_4.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • Fixedrh-sso7-zxing-javase-0:3.2.1-1.redhat_4.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.1 for RHEL 7 Serverredhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2017:0873
  • FixedRed Hat Single Sign-On 7.1redhat_csaf

    Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. The References section of this erratum contains a download link (you must log in to download the update).

    https://access.redhat.com/errata/RHSA-2017:0876
02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV
v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400USCWE-400US
04

affected products (54)

Products and version ranges known to be affected.

showing 20 of 54
05

advisories (5)

Vendor and ecosystem advisories describing this.

  • RHSA-2017:0830Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform security update2017-03-22csaf · redhat_csafUS

    An update is now available for Red Hat JBoss Enterprise Application Platform. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2017:0872Red Hat Security Advisory: Red Hat Single Sign-On 7.1 update on RHEL 62017-04-04csaf · redhat_csafUS

    Red Hat Single Sign-On 7.1 is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2017:0873Red Hat Security Advisory: Red Hat Single Sign-On 7.1 update on RHEL 72017-04-04csaf · redhat_csafUS

    Red Hat Single Sign-On 7.1 is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2017:0876Red Hat Security Advisory: Red Hat Single Sign-On 7.1 update2017-04-04csaf · redhat_csafUS

    Red Hat Single Sign-On 7.1 is now available for download from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • GHSA-p4xg-cpr9-vwvjRed Hat Wildfly DoS2022-05-13ghsa · osvUS

    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.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdosvredhat_csafNVDCVE.orgMITRE
published 2018-03-12modified 2026-06-17
09

references (39)

External citations — patches, advisories, analysis.

scry

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