Red Hat Linux Security Advisories & Vulnerabilities
16043 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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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-2026-31899] Denial of Service via recursive <use> element amplification
Denial of Service via recursive element amplification. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. 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-2026-31806] Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages
Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages. Red Hat rates this important (CVSS 8.8). Weakness: CWE-131. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:6958 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-31883] Denial of Service via crafted audio data in RDP
Denial of Service via crafted audio data in RDP. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-191. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19142 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-31885] FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks
FreeRDP has an out-of-bounds read in ADPCM decoders due to missing predictor/step_index bounds checks. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-125. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19142 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-31884] FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0
FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-369. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19142 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-29775] FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId
FreeRDP has a heap-buffer-overflow in bitmap_cache_put via OOB cacheId. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-787. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19142 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 1.
Medium [CVE-2026-2673] OpenSSL TLS 1.3 server may choose unexpected key agreement group
OpenSSL TLS 1.3 server may choose unexpected key agreement group. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-325. Affected package(s): openssl-main, jbcs-httpd24-openssl. Resolved in Red Hat advisory RHSA-2026:7261 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2025-8766] Excessive permissions of /etc could lead to escalation of privilege in the noobaa-core container
Excessive permissions of /etc could lead to escalation of privilege in the noobaa-core container. Red Hat rates this important (CVSS 6.4). 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 Openshift Data Foundation 4.22.
Medium [CVE-2026-4105] Privilege escalation via improper access control in RegisterMachine D-Bus method
Privilege escalation via improper access control in RegisterMachine D-Bus method. Red Hat rates this moderate (CVSS 6.7). Weakness: CWE-284. Affected package(s): systemd-main. Resolved in Red Hat advisory RHSA-2026:7299 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more.
High [CVE-2026-32597] PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)
PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation). Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): ansible-automation-platform, python3.12-pyjwt, quay/quay-rhel8:1775169155, quay/quay-rhel8:1775253092, fence-agents, rhelai3/bootc-aws-cuda-rhel9:1776871984. Resolved in Red Hat advisory RHSA-2026:13508 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 17 more.
High [CVE-2026-32304] Arbitrary code execution via unsanitized parameters in create_function
Arbitrary code execution via unsanitized parameters in create_function. Red Hat rates this important (CVSS 7.5). Weakness: CWE-88. 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: Logging Subsystem for Red Hat OpenShift.
High [CVE-2026-2229] Denial of Service via invalid WebSocket permessage-deflate extension parameter
Denial of Service via invalid WebSocket permessage-deflate extension parameter. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 9 more.
High [CVE-2026-1528] Denial of Service via crafted WebSocket frame with large length
Denial of Service via crafted WebSocket frame with large length. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 8 more.
High [CVE-2026-1526] Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression
Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 9 more.
High [CVE-2026-1525] HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers
HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-444. Affected package(s): nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, rhdh/rhdh-hub-rhel9:1776784286, devspaces/code-rhel9:1779814592, nodejs:24, cryostat/cryostat-rhel9:4.2.0. Resolved in Red Hat advisory RHSA-2026:7350 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-32274] Arbitrary file writes from unsanitized user input in cache file name
Arbitrary file writes from unsanitized user input in cache file name. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. Affected package(s): ansible-automation-platform, rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9:1776319179, rhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9:1776319275, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1776318795, rhoai/odh-workbench-jupyter-datascience-cpu-py312-rhel9:1776319193, rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9:1776319185. Resolved in Red Hat advisory RHSA-2026:10184 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5; Red Hat Ansible Automation Platform 2.6; Red Hat OpenShift AI 2.25; OpenShift Lightspeed; and 3 more.
High [CVE-2026-3497] Information disclosure or denial of service due to uninitialized variables
Information disclosure or denial of service due to uninitialized variables. Red Hat rates this important (CVSS 8.2). Weakness: CWE-824. Affected package(s): openssh, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/installer-rhel9:1776868772. Resolved in Red Hat advisory RHSA-2026:20040 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.12; Middleware Containers for OpenShift; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; and 52 more.
High [CVE-2026-32141] Unbounded recursion DoS in parse() revive phase
Unbounded recursion DoS in parse() revive phase. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, devspaces/dashboard-rhel9:1779341289, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat Edge Manager 1.0; Red Hat OpenShift AI 2.16; and 10 more.
High [CVE-2026-28356] denial of service via maliciously crafted HTTP or multipart segment headers
denial of service via maliciously crafted HTTP or multipart segment headers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected package(s): rhaiis/vllm-cuda-rhel9:1774351144, rhaiis/model-opt-cuda-rhel9:1774547384, rhoai/odh-caikit-tgis-serving-rhel9:1776247907, rhaiis/vllm-rocm-rhel9:1775252598, rhoai/odh-feature-server-rhel9:1776338381. Resolved in Red Hat advisory RHSA-2026:10184 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; OpenShift Lightspeed; and 3 more.
High [CVE-2026-3909] Out of bounds write in Skia
Out of bounds write in Skia. Red Hat rates this important (CVSS 8.8). 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.
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