Description
A flaw was found in XNIO, specifically in the notifyReadClosed method. The issue revealed this method was logging a message to another expected end. This flaw allows an attacker to send flawed requests to a server, possibly causing log contention-related performance concerns or an unwanted disk fill-up.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | xnio | Fixed in v3.x | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | jboss-xnio | 3.8.7-2 | — |
| Debian 13 | jboss-xnio | 3.8.7-2 | — |
| Debian 12 | jboss-xnio | 3.8.7-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jboss-xnio | No fix yet | — |
| Ubuntu 26.04 LTS | jboss-xnio | No fix yet | — |
| Ubuntu 25.10 | jboss-xnio | No fix yet | — |
| Ubuntu 24.04 LTS | jboss-xnio | No fix yet | — |
| Ubuntu 22.04 LTS | jboss-xnio | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jboss-xnio | No fix yet | — |
| Ubuntu 18.04 LTS | jboss-xnio | No fix yet | — |
| Ubuntu 16.04 LTS | jboss-xnio | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Single Sign On 7 | rh-sso7 +1 | 1-5.el9sso | RHSA-2022:7411 |
| Red Hat Single Sign On 7 | rh-sso7-javapackages-tools +2 | 6.0.0-7.el9sso | RHSA-2022:7411 |
| Red Hat Single Sign On 7 | rh-sso7-keycloak +1 | 15.0.8-1.redhat_00001.1.el7sso | RHSA-2022:7411, RHSA-2022:7410, RHSA-2022:7409 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-activemq-artemis +15 | 1.5.5.016-1.redhat_00001.1.ep7.el7 | RHSA-2025:4437, RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-activemq-artemis-tools | 2.9.0-10.redhat_00021.1.el7eap | RHSA-2025:4437 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-artemis-native +1 | 1:1.5.5.016-1.redhat_00001.1.ep7.el7 | RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-gson | 2.8.9-1.redhat_00001.1.el7eap | RHSA-2025:4437 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-hal-console | 3.2.18-1.Final_redhat_00001.1.el7eap | RHSA-2025:4437 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-jboss-server-migration +21 | 1.7.2-14.Final_redhat_00015.1.el7eap | RHSA-2025:4437 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-jboss-xnio-base | 3.5.11-1.Final_redhat_00001.1.ep7.el7 | RHSA-2025:4437, RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-jsoup | 1.14.2-1.redhat_00002.1.ep7.el7 | RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-undertow | 1.4.18-14.SP13_redhat_00001.1.ep7.el7 | RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-wildfly +1 | 7.1.10-2.GA_redhat_00002.1.ep7.el7 | RHSA-2025:4437, RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-wildfly-javadocs +2 | 7.3.13-4.GA_redhat_00002.1.el7eap | RHSA-2025:4437 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-woodstox-core | 5.0.3-2.redhat_00002.1.ep7.el7 | RHSA-2025:4437, RHSA-2025:4226 |
| Red Hat Jboss Enterprise Application Platform Eus 7 | eap7-xml-security | 2.0.10-2.redhat_00002.1.ep7.el7 | RHSA-2025:4226 |
| Red Hat JBoss EAP 7 | eap7-activemq-artemis +15 | 2.16.0-9.redhat_00042.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-h2database | 1.4.197-2.redhat_00004.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-hal-console | 3.3.12-1.Final_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-jackson-databind | 2.12.6.1-1.redhat_00003.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-jboss-xnio-base | 3.8.7-1.SP1_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-netty +27 | 4.1.72-4.Final_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-undertow | 2.2.17-2.SP4_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-wildfly +4 | 7.4.5-3.GA_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-wildfly-http-client +4 | 1.1.11-1.SP1_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
| Red Hat JBoss EAP 7 | eap7-xerces-j2 | 2.12.0-3.SP04_redhat_00001.1.el7eap | RHSA-2022:4919, RHSA-2022:4918 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jboss.xnio:xnio-all | <= 3.8.7.Final | — | GHSA-76fg-mhrg-fmmg |
Advisories 12
- RHSA-2025:4437 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.3.13 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2025:4226 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.1.10 on RHEL 7 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2022:7409 Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 7 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:7410 Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 8 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:7411 Red Hat Security Advisory: Red Hat Single Sign-On 7.6.1 security update on RHEL 9 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:6783 Red Hat Security Advisory: Red Hat Single Sign-On 7.5.3 security update on RHEL 8 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:6782 Red Hat Security Advisory: Red Hat Single Sign-On 7.5.3 security update on RHEL 7 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:4919 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.5 security update on RHEL 8 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2022:4918 Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.5 security update on RHEL 7 Red Hat Security Advisories (RHSA) · Oct 13, 2026
- WID-SEC-2022-0607 Red Hat FUSE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 9, 2026
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
- WID-SEC-2023-0137 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024