Red Hat Product Errata RHSA-2026:67843 - Security Advisory Issued: 2026-09-16 Updated: 2026-09-16 RHSA-2026:67843 - Security Advisory Overview Updated Packages Synopsis Moderate: firewalld security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for firewalld is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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. Description firewalld is a firewall service daemon that provides a dynamic customizable firewall with a D-Bus interface. Security Fix(es): firewalld: firewalld: Local unprivileged user can modify firewall state due to D-Bus setter mis-authorization (CVE-2026-4948) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 Fixes BZ - 2452086 - CVE-2026-4948 firewalld: firewalld: Local unprivileged user can modify firewall state due to D-Bus setter mis-authorization CVEs CVE-2026-4948 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 x86_64 firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 s390x firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 ppc64le firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 aarch64 firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 aarch64 firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 s390x firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 ppc64le firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 SRPM firewalld-2.3.1-1.el10_0.1.src.rpm SHA-256: 07a08e12e57c27d3534872bc13a1ba1fef64c9e5ed7a1166f2e48542eddb6992 x86_64 firewall-applet-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 4c9574f8166f880f377616e8b135a206aa243da960c509eeb0e6d13283708223 firewall-config-2.3.1-1.el10_0.1.noarch.rpm SHA-256: c964b0997cfee7e321476f5d9294e180b342ea9763305945070df48b1cbe699e firewalld-2.3.1-1.el10_0.1.noarch.rpm SHA-256: 8fc6926470beb4f201f0bcae1d9ca690c67d6050ce38e7ab27ee351dbc54c06e firewalld-filesystem-2.3.1-1.el10_0.1.noarch.rpm SHA-256: a23640c25d9cd05acd40dce90eccbff30bb7b6e9339a021854aa8e39f049a820 python3-firewall-2.3.1-1.el10_0.1.noarch.rpm SHA-256: d145182fc92a6a62b5c56462e6c71a6390420e9927c678dea6ce8516d802dc8c The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .