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dbus-broker: dbus-broker: session bus denial of service via EMFILE during peer setup

🗓️ 31 Aug 2026 10:58:13Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 11 Views

dbus-broker session bus DoS when EMFILE during peer setup causes fatal broker exit.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64dbus-broker28-9.el9_8dbus-broker-28-9.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64ledbus-broker28-9.el9_8dbus-broker-28-9.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xdbus-broker28-9.el9_8dbus-broker-28-9.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64dbus-broker28-9.el9_8dbus-broker-28-9.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64dbus-broker-debuginfo28-9.el9_8dbus-broker-debuginfo-28-9.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64ledbus-broker-debuginfo28-9.el9_8dbus-broker-debuginfo-28-9.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xdbus-broker-debuginfo28-9.el9_8dbus-broker-debuginfo-28-9.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64dbus-broker-debuginfo28-9.el9_8dbus-broker-debuginfo-28-9.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64dbus-broker-debugsource28-9.el9_8dbus-broker-debugsource-28-9.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64ledbus-broker-debugsource28-9.el9_8dbus-broker-debugsource-28-9.el9_8.ppc64le.rpm
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10 Sep 2026 17:24Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00109
SSVC
11