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Fencer Vulns
high 7.5

CVE-2022-1259 json

A flaw was found in Undertow.

published 2022-08-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24592

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over HTTP/2 may cause overhead or a denial of service in the server. This flaw exists because of an incomplete fix for CVE-2021-3629.

Patch / fix

  • eap7-undertow jboss enterprise application platform 7.4 2.2.19-1.SP2_redhat_00001.1.el9eap
  • eap7-snakeyaml jboss enterprise application platform 7.4 1.31.0-1.redhat_00001.1.el9eap
  • eap7-undertow jboss enterprise application platform 7.4 2.2.19-1.SP2_redhat_00001.1.el7eap
  • eap7-snakeyaml jboss enterprise application platform 7.4 1.31.0-1.redhat_00001.1.el7eap
  • eap7-undertow jboss enterprise application platform 7.4 2.2.19-1.SP2_redhat_00001.1.el8eap
  • eap7-snakeyaml jboss enterprise application platform 7.4 1.31.0-1.redhat_00001.1.el8eap
  • eap7-netty jboss enterprise application platform eus 7.3 4.1.63-5.Final_redhat_00003.1.el7eap
  • eap7-wildfly jboss enterprise application platform eus 7.3 7.3.14-3.GA_redhat_00002.1.el7eap

red hat advisories RHSA-2025:9583RHSA-2025:9582RHSA-2022:6823RHSA-2022:6821RHSA-2022:6822

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1259 updated cvss 7.5

undertow: potential security issue in flow control over HTTP/2 may lead to DOS(incomplete fix for CVE-2021-3629)

  • Red Hat build of Quarkus undertow undertow
    affected: no fix planned “Will not fix”
  • Red Hat Integration Camel K 1 undertow undertow Red Hat Integration Service Registry undertow undertow
    affected: no fix available “Fix deferred”
  • Red Hat JBoss Data Grid 7 undertow undertow Red Hat JBoss Fuse 6 undertow undertow Red Hat OpenStack Platform 13 (Queens) opendaylight
    affected: no fix planned “Out of support scope”
  • Red Hat Single Sign-On 7 undertow undertow
    affected: no fix available
  • Red Hat Fuse 7.11
    fixed: vendor fix RHSA-2022:5532
  • Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-undertow 2.2.19-1.SP2_redhat_00001.1.el7eap
    fixed: vendor fix RHSA-2022:6821
  • Red Hat JBoss EAP 7.4 for RHEL 8 eap7-undertow 2.2.19-1.SP2_redhat_00001.1.el8eap
    fixed: vendor fix RHSA-2022:6822
  • Red Hat JBoss EAP 7.4 for RHEL 9 eap7-undertow 2.2.19-1.SP2_redhat_00001.1.el9eap
    fixed: vendor fix RHSA-2022:6823
show 5 more
  • Red Hat JBoss Enterprise Application Platform undertow-core 2.2.19.SP2-redhat-00001
    fixed: vendor fix RHSA-2022:6825
  • Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Server eap7-wildfly 7.1.11-4.GA_redhat_00002.1.ep7.el7, eap7-netty 4.1.63-2.Final_redhat_00003.1.ep7.el7, eap7-undertow 1.4.18-16.SP14_redhat_00001.1.ep7.el7, eap7-glassfish-el 3.0.1-4.b08_redhat_00005.1.ep7.el7, eap7-hibernate 5.1.17-3.Final_redhat_00004.1.ep7.el7, eap7-netty-all 4.1.63-2.Final_redhat_00003.1.ep7.el7, +19 more
    fixed: vendor fix RHSA-2025:9582
  • Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 Server eap7-wildfly 7.3.14-3.GA_redhat_00002.1.el7eap, eap7-netty 4.1.63-5.Final_redhat_00003.1.el7eap, eap7-jackson-core 2.10.4-3.redhat_00006.1.el7eap, eap7-undertow 2.0.41-4.SP5_redhat_00001.1.el7eap, eap7-netty-all 4.1.63-5.Final_redhat_00003.1.el7eap, eap7-jackson-databind 2.10.4-5.redhat_00006.1.el7eap, +37 more
    fixed: vendor fix RHSA-2025:9583
  • Red Hat Text-Only RHOAR
    fixed: vendor fix RHSA-2022:8761
  • Red Hat Decision Manager 7 undertow undertow Red Hat Integration Camel Quarkus 1 undertow undertow Red Hat JBoss EAP 7.4 for RHEL 7 Server eap7-snakeyaml 1.31.0-1.redhat_00001.1.el7eap, eap7-wildfly 7.4.7-3.GA_redhat_00003.1.el7eap, eap7-netty 4.1.77-3.Final_redhat_00001.1.el7eap, eap7-ironjacamar 1.5.3-3.SP2_redhat_00001.1.el7eap, eap7-resteasy 3.15.4-1.Final_redhat_00001.1.el7eap, eap7-hibernate 5.3.28-1.Final_redhat_00001.1.el7eap, +94 more Red Hat JBoss EAP 7.4 for RHEL 8 eap7-snakeyaml 1.31.0-1.redhat_00001.1.el8eap, eap7-wildfly 7.4.7-3.GA_redhat_00003.1.el8eap, eap7-netty 4.1.77-3.Final_redhat_00001.1.el8eap, eap7-ironjacamar 1.5.3-3.SP2_redhat_00001.1.el8eap, eap7-resteasy 3.15.4-1.Final_redhat_00001.1.el8eap, eap7-hibernate 5.3.28-1.Final_redhat_00001.1.el8eap, +92 more Red Hat JBoss EAP 7.4 for RHEL 9 eap7-snakeyaml 1.31.0-1.redhat_00001.1.el9eap, eap7-wildfly 7.4.7-3.GA_redhat_00003.1.el9eap, eap7-netty 4.1.77-3.Final_redhat_00001.1.el9eap, eap7-ironjacamar 1.5.3-3.SP2_redhat_00001.1.el9eap, eap7-resteasy 3.15.4-1.Final_redhat_00001.1.el9eap, eap7-hibernate 5.3.28-1.Final_redhat_00001.1.el9eap, +89 more Red Hat JBoss Enterprise Application Platform pom.xml, c3 0.6.0, c3 0.7.1, d3 5.9.2, ms 2.0.0, ms 2.1.2, +1487 more
    +2 more products
    Red Hat JBoss Enterprise Application Platform Expansion Pack undertow undertow Red Hat Process Automation 7 undertow undertow
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • n/a undertow

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.