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Security advisories & CVEs
432 advisories across 32 monitored vendors.
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Critical [CVE-2026-9966] Integer overflow in XML
Integer overflow in XML. Red Hat rates this important (CVSS 9). Weakness: CWE-190. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9936] Use after free in GFX
Use after free in GFX. Red Hat rates this important (CVSS 9). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9883] Use after free in Base
Use after free in Base. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9897] Use after free in DOM
Use after free in DOM. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9886] Use after free in Base
Use after free in Base. Red Hat rates this critical (CVSS 9.3). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9989] Inappropriate implementation in Media
Inappropriate implementation in Media. Red Hat rates this important (CVSS 9.3). Weakness: CWE-346. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-10014] Use after free in WebMIDI
Use after free in WebMIDI. Red Hat rates this important (CVSS 9). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9967] Out of bounds write in GPU
Out of bounds write in GPU. Red Hat rates this important (CVSS 9.3). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9873] Use after free in Network
Use after free in Network. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9937] Use after free in UI
Use after free in UI. Red Hat rates this important (CVSS 9). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9972] Uninitialized Use in Gamepad
Uninitialized Use in Gamepad. Red Hat rates this important (CVSS 9). Weakness: CWE-824. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-10005] Use after free in WebAppInstalls
Use after free in WebAppInstalls. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9884] Use after free in Browser
Use after free in Browser. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-9997] Use after free in Input
Use after free in Input. Red Hat rates this important (CVSS 9). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-10009] Integer overflow in Skia
Integer overflow in Skia. Red Hat rates this important (CVSS 9). Weakness: CWE-190. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-4480] Remote Code Execution in printing subsystem via unescaped job description
Remote Code Execution in printing subsystem via unescaped job description. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba. Resolved in Red Hat advisory RHSA-2026:28057 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 7 more.
Critical [CVE-2026-7374] KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability
KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability. Red Hat rates this important (CVSS 9.9). Weakness: CWE-59. Affected package(s): container-native-virtualization/virt-handler:1779375376, container-native-virtualization/virt-handler-rhel9:1779288737, container-native-virtualization/virt-handler-rhel9:1779174925, container-native-virtualization/virt-handler-rhel9:1779289071, container-native-virtualization/virt-handler-rhel9:1779420069, container-native-virtualization/virt-handler-rhel9:1778859977. Resolved in Red Hat advisory RHSA-2026:20866 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Container Native Virtualization 4.12; Red Hat Container Native Virtualization 4.13; Red Hat Container Native Virtualization 4.14; Red Hat Container Native Virtualization 4.15; and 6 more.
Critical [CVE-2026-4408] Remote Code Execution in SAMR
Remote Code Execution in SAMR. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 11 more.
Critical [CVE-2026-2651] Arbitrary code execution via unauthorized multipart upload access
Arbitrary code execution via unauthorized multipart upload access. Red Hat rates this critical (CVSS 9). Weakness: CWE-1220. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-8631] Arbitrary code execution and privilege escalation via integer overflow in hpcups
A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when handling crafted print data. A remote attacker who can submit print job content to the hpcups filter path may achieve arbitrary code execution or privilege escalation on systems using HPLIP for printing. Red Hat severity: Important — CVSS 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-190. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 6.