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TI-2020-08606 Aliases CVE-2020-10705GHSA-g4cp-h53p-v3v8

Resource allocation without limits in Undertow

Priority LOW 36CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-770.

Summary

A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.

Why it matters now

EPSS 0.01465 73rd percentileScored 2026-11-07
Fix Partial io.undertow:undertow-core (Maven): 2.1.1.FinalRed Hat: 11 advisoriesRed Hat: 11 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—UndertowVersions before Undertow 2.1.1.Final.—No fix listedCNA
—io.undertow:undertow-core (Maven)before 2.1.1.Final2.1.1.FinalPatch availableGHSA-g4cp-h53p-v3v8
  • Undertow Vendor— Affected Versions before Undertow 2.1.1.Final. Fixed in — No fix listed CNA
  • io.undertow:undertow-core (Maven) Vendor— Affected before 2.1.1.Final Fixed in 2.1.1.Final Patch available GHSA-g4cp-h53p-v3v8

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*before 2.1.1VulnerableRed Hat
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:*not specified by NVDVulnerableRed Hat
cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:*not specified by NVDVulnerableRed Hat
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0Running onRed Hat
  • cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* Versions before 2.1.1 Vulnerable ·Red Hat
  • cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat

Remediation

  • Fix · GHSA-g4cp-h53p-v3v8 io.undertow:undertow-core (Maven) Fixed in 2.1.1.Final Advisory →

Red Hat 11 advisories

  • RHSA-2025:16668 Released 2025-09-25 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.1.12 on RHEL 7 security update
    • Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Server eap7-apache-commons-beanutils-1.11.0-1.redhat_00001.1.ep7.el7, eap7-hibernate-validator-5.3.6-1.SP1_redhat_00001.1.ep7.el7, eap7-hibernate-validator-cdi-5.3.6-1.SP1_redhat_00001.1.ep7.el7 +7
  • RHSA-2020:3585 Released 2020-08-31 · Red Hat rating Important
    EAP Continuous Delivery Technical Preview Release 20 security update
    • EAP-CD 20 Tech Preview
  • RHSA-2020:2905 Released 2020-07-23 · Red Hat rating Important
    Red Hat build of Thorntail 2.7.0 security and bug fix update
    • Text-Only RHOAR
Show 8 more Red Hat advisories
  • RHSA-2020:2511 Released 2020-06-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.3.1 Security update
    • Red Hat JBoss EAP 7.3 for RHEL 6 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el6eap +47
  • RHSA-2020:2512 Released 2020-06-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.3.1 Security update
    • Red Hat JBoss EAP 7.3 for RHEL 7 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el7eap +47
  • RHSA-2020:2513 Released 2020-06-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.3.1 Security update
    • Red Hat JBoss EAP 7.3 for BaseOS-8 eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el8eap +47
  • RHSA-2020:2515 Released 2020-06-10 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.3.1 Security update
    • Red Hat JBoss Enterprise Application Platform 7
  • RHSA-2020:2061 Released 2020-05-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.2.8 security update
    • Red Hat JBoss EAP 7.2
  • RHSA-2020:2060 Released 2020-05-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 8 security update
    • Red Hat JBoss EAP 7.2 for RHEL 8 eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el8eap +47
  • RHSA-2020:2059 Released 2020-05-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 7 security update
    • Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el7eap +47
  • RHSA-2020:2058 Released 2020-05-11 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 6 security update
    • Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el6eap +47

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenShift Application RuntimesAffectedNo fix yet
EAP-CD 20 Tech PreviewFixed RHSA-2020:3585
Red Hat JBoss EAP 7.2Fixed RHSA-2020:2061
Red Hat JBoss EAP 7.2 for RHEL 6 ServerFixed RHSA-2020:2058
Red Hat JBoss EAP 7.2 for RHEL 7 ServerFixed RHSA-2020:2059
Red Hat JBoss EAP 7.2 for RHEL 8Fixed RHSA-2020:2060
Red Hat JBoss EAP 7.3 for BaseOS-8Fixed RHSA-2020:2513
Red Hat JBoss EAP 7.3 for RHEL 6 ServerFixed RHSA-2020:2511
Red Hat JBoss EAP 7.3 for RHEL 7 ServerFixed RHSA-2020:2512
Red Hat JBoss Enterprise Application Platform 7Fixed RHSA-2020:2515
Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 ServerFixed RHSA-2025:16668
Text-Only RHOARFixed RHSA-2020:2905
Not affected: 3 products
  • Red Hat Decision Manager 7
  • Red Hat JBoss Enterprise Application Platform 6
  • Red Hat Process Automation 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10705
  2. 2026-10-03 Alias added: GHSA-g4cp-h53p-v3v8
  3. 2026-11-05 Fix available: Red Hat JBoss Enterprise Application Platform 7 · Red Hat

References

Sources