Red Hat Linux Security Advisories & CVEs
3067 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
High [CVE-2026-10118] Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication
Integer overflow in Poppler SplashOutputDev::tilingPatternFill leads to heap buffer overflow via unchecked dimension multiplication. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, poppler, rhaiis/vllm-rocm-rhel9:1782353093, rhaiis/vllm-cuda-rhel9:1782352847, poppler-main. Resolved in Red Hat advisory RHSA-2026:29952 — 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 9 more.
High [CVE-2026-45505] Arbitrary Code Execution via crafted discovery URI bypass
Arbitrary Code Execution via crafted discovery URI bypass. Red Hat rates this important (CVSS 8.8). Weakness: CWE-502. 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.
High [CVE-2026-49157] Unauthorized Broker Management via Incorrect Default Permissions
Unauthorized Broker Management via Incorrect Default Permissions. Red Hat rates this important (CVSS 8.1). Weakness: CWE-276. 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.
High [CVE-2026-49270] Information disclosure via unauthenticated BrokerInfo command
Information disclosure via unauthenticated BrokerInfo command. Red Hat rates this important (CVSS 7.5). Weakness: CWE-306. 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.
High [CVE-2026-46385] CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration
CPU Exhaustion in Avro Decoder via Unbounded Block-Count Iteration. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): rhacm2/acm-grafana-rhel9:1782383730. Resolved in Red Hat advisory RHSA-2026:30651 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Hardened Images; Red Hat Advanced Cluster Management for Kubernetes 2.11; Red Hat multicluster global hub 1.4.3; and 6 more.
High [CVE-2026-46384] Integer Overflow in Avro Decoder
Integer Overflow in Avro Decoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-190. Affected package(s): rhacm2/acm-grafana-rhel9:1782383730. Resolved in Red Hat advisory RHSA-2026:30651 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Hardened Images; Red Hat Advanced Cluster Management for Kubernetes 2.11; Red Hat multicluster global hub 1.4.3; and 6 more.
High [CVE-2026-45700] Out-of-bounds write in planar bitmap decoder allows arbitrary code execution
Out-of-bounds write in planar bitmap decoder allows arbitrary code execution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update 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; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 7 more.
High [CVE-2026-44420] Arbitrary code execution and denial of service via heap-buffer-overflow
Arbitrary code execution and denial of service via heap-buffer-overflow. Red Hat rates this important (CVSS 8.8). Weakness: CWE-131. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-44422] Arbitrary code execution or denial of service via heap use-after-free in RDPEAR NDR parser
Arbitrary code execution or denial of service via heap use-after-free in RDPEAR NDR parser. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more.
High [CVE-2026-44421] Arbitrary code execution via crafted RDPGFX PDUs
Arbitrary code execution via crafted RDPGFX PDUs. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-11800] org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion
org.keycloak:keycloak-services: Keycloak: Authentication bypass via JWT algorithm confusion. Red Hat rates this important (CVSS 8.1). Weakness: CWE-347. Affected package(s): rhbk/keycloak-rhel9:26.6, rhbk/keycloak-operator-bundle:26.6.4, rhbk/keycloak-rhel9-operator:26.6. Resolved in Red Hat advisory RHSA-2026:30083 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Keycloak 26.6.
High [CVE-2026-45292] Denial of Service due to unbounded memory allocation when parsing oversized baggage
Denial of Service due to unbounded memory allocation when parsing oversized baggage. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): offline-knowledge-portal/rhokp-rhel9:1782239370. Resolved in Red Hat advisory RHSA-2026:28573 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Offline Knowledge Portal 1.2.7; Red Hat OpenShift Dev Spaces 3.29; OpenShift Serverless; Red Hat OpenShift AI (RHOAI); and 11 more.
High [CVE-2026-44477] Metrics exporter allows privilege escalation to PostgreSQL superuser and OS RCE
Metrics exporter allows privilege escalation to PostgreSQL superuser and OS RCE. Red Hat rates this important (CVSS 8.8). Weakness: CWE-250. 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 Openshift Data Foundation 4.
High [CVE-2026-48526] Authentication bypass due to forged JSON Web Tokens
Authentication bypass due to forged JSON Web Tokens. Red Hat rates this important (CVSS 7.4). Weakness: CWE-347. Affected package(s): ansible-automation-platform, quay/quay-rhel8:1782487717, python3.12-pyjwt, quay/quay-rhel8:1781878070, fence-agents, quay/quay-rhel8:1781937357. Resolved in Red Hat advisory RHSA-2026:35837 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; and 25 more.
High [CVE-2026-9804] VMExport directory symlink escape enables exporter pod file read
VMExport directory symlink escape enables exporter pod file read. Red Hat rates this important (CVSS 7.7). Weakness: CWE-59. Affected package(s): container-native-virtualization/virt-exportserver-rhel9:1781757410, container-native-virtualization/virt-exportserver-rhel9:1781590993, container-native-virtualization/virt-exportserver-rhel9:1781928221, container-native-virtualization/virt-exportserver-rhel9:1782012918, container-native-virtualization/virt-exportserver-rhel9:1781838712. Resolved in Red Hat advisory RHSA-2026:28002 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Container Native Virtualization 4.17; Red Hat Container Native Virtualization 4.18; Red Hat Container Native Virtualization 4.19; Red Hat Container Native Virtualization 4.20; and 2 more.
High [CVE-2026-44604] Command injection in rpmuncompress doUntar() via unescaped archive top-level directory name in popen() shell command
Command injection in rpmuncompress doUntar() via unescaped archive top-level directory name in popen() shell command. Red Hat rates this moderate (CVSS 7). Weakness: CWE-78. Affected package(s): rpm-main. Resolved in Red Hat advisory RHSA-2026:28491 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-9795] Privilege escalation via improper scope mapping enforcement
Privilege escalation via improper scope mapping enforcement. Red Hat rates this important (CVSS 7.3). Weakness: CWE-266. Affected package(s): rhbk/keycloak-operator-bundle:26.4.13, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.6, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-operator-bundle:26.6.4. Resolved in Red Hat advisory RHSA-2026:30049 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6.
High [CVE-2026-46116] defensively unhash xfrm_state lists in __xfrm_state_delete
defensively unhash xfrm_state lists in __xfrm_state_delete. Red Hat rates this important (CVSS 7). Weakness: CWE-763. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. 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 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; and 7 more.
High [CVE-2026-46181] Fix mis-use of RCU in mlx4_srq_event()
Fix mis-use of RCU in mlx4_srq_event(). Red Hat rates this important (CVSS 7). Weakness: CWE-366. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: 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; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 6 more.
High [CVE-2026-46152] drop stray 'static' from fast-RX rx_result
drop stray 'static' from fast-RX rx_result. Red Hat rates this important (CVSS 7). Weakness: CWE-1058. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream E4S (v.9.4); Red Hat Enterprise Linux AppStream EUS (v.9.6); Red Hat Enterprise Linux AppStream (v. 9); and 23 more.