Red Hat Linux Security Advisories & Vulnerabilities
16065 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata, so keep the system patched. This is the release's advisory history, not a per-package scan.
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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
Medium [CVE-2026-0964] Improper sanitation of paths received from SCP servers
Improper sanitation of paths received from SCP servers. Red Hat rates this moderate (CVSS 5). Weakness: CWE-22. Affected package(s): libssh. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat OpenShift Container Platform 4.
Medium [CVE-2025-11537] Keycloak-server: sensitive headers shown in the http access logs
A flaw was found in Keycloak. When the logging format is configured to a verbose, user-supplied pattern (such as the pre-defined 'long' pattern), sensitive headers including Authorization and Cookie are disclosed to the logs in cleartext. An attacker with read access to the log files can extract these credentials (e.g., bearer tokens, session cookies) and use them to impersonate users, leading to a full account compromise. Red Hat severity: Moderate — CVSS 5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N). Weakness: CWE-117. Affected Red Hat products: Red Hat build of Keycloak 26.4.2; Red Hat Build of Keycloak. Red Hat fixing advisory: RHEA-2025:19386.
Low [CVE-2026-0965] Denial of Service via improper configuration file handling
Denial of Service via improper configuration file handling. Red Hat rates this low (CVSS 3.3). Weakness: CWE-73. Affected package(s): libssh. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat OpenShift Container Platform 4.
Low [CVE-2026-0967] Denial of Service via inefficient regular expression processing
Denial of Service via inefficient regular expression processing. Red Hat rates this low (CVSS 2.2). Weakness: CWE-1333. Affected package(s): libssh. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat OpenShift Container Platform 4.
Low [CVE-2026-0968] Denial of Service due to malformed SFTP message
Denial of Service due to malformed SFTP message. Red Hat rates this low (CVSS 3.1). Weakness: CWE-476. Affected package(s): libssh. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat OpenShift Container Platform 4.
Critical [CVE-2026-1615] Arbitrary Code Execution via unsafe JSON Path expression evaluation
Arbitrary Code Execution via unsafe JSON Path expression evaluation. Red Hat rates this important (CVSS 9.8). Weakness: CWE-94. Affected package(s): ansible-automation-platform, rhdh/rhdh-hub-rhel9:1775140647. Resolved in Red Hat advisory RHSA-2026:6309 — 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 Developer Hub 1.9; OpenShift Pipelines; and 2 more.
High [CVE-2026-25639] Axios affected by Denial of Service via __proto__ Key in mergeConfig
Axios affected by Denial of Service via __proto__ Key in mergeConfig. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1287. Affected package(s): rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, rhoai/odh-dashboard-rhel9:1779189627, multicluster-engine/console-mce-rhel9:1776223790, ansible-automation-platform, openshift-service-mesh/kiali-ossmc-rhel9:1771372942, rhoai/odh-dashboard-rhel9:1776742021. Resolved in Red Hat advisory RHSA-2026:3107 — 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 Advanced Cluster Management for Kubernetes 2.12; Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.14; and 35 more.
High [CVE-2026-1609] Unauthorized Access via JWT authorization grant with disabled users
Unauthorized Access via JWT authorization grant with disabled users. Red Hat rates this important (CVSS 8.1). Weakness: CWE-284. 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-2026-1486] Disabled identity providers are still accepted for JWT Authorization Grant
Disabled identity providers are still accepted for JWT Authorization Grant. Red Hat rates this important (CVSS 8.8). Weakness: CWE-358. Affected package(s): rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.4.9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:2366 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Keycloak 26.4.
High [CVE-2026-1529] Unauthorized organization registration via improper invitation token validation
Unauthorized organization registration via improper invitation token validation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-347. Affected package(s): rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.2.13, rhbk/keycloak-operator-bundle:26.4.9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.2, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:2366 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Keycloak 26.2; Red Hat build of Keycloak 26.4.
High [CVE-2025-66630] Predictable UUIDs from randomness source errors can lead to security bypasses
Predictable UUIDs from randomness source errors can lead to security bypasses. Red Hat rates this important (CVSS 7.7). Weakness: CWE-331. 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-2026-1584] Remote Denial of Service via crafted ClientHello with invalid PSK binder
Remote Denial of Service via crafted ClientHello with invalid PSK binder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-476. Affected package(s): gnutls-main. Resolved in Red Hat advisory RHSA-2026:7477 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
Medium [CVE-2025-14778] Incorrect ownership checks in /uma-policy/
Incorrect ownership checks in /uma-policy/. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-266. Affected package(s): rhbk/keycloak-rhel9-operator, rhbk/keycloak-operator-bundle:26.2.13, rhbk/keycloak-operator-bundle:26.4.9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.2, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:2366 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-24684] FreeRDP has a Heap-use-after-free in play_thread
FreeRDP has a Heap-use-after-free in play_thread. Red Hat rates this moderate (CVSS 5.3). 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 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-24683] FreeRDP has a heap-use-after-free in ainput_send_input_event
FreeRDP has a heap-use-after-free in ainput_send_input_event. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-825. 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 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
Medium [CVE-2026-24682] FreeRDP has a Heap-buffer-overflow in audio_formats_free
FreeRDP has a Heap-buffer-overflow in audio_formats_free. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-131. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19033 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
Medium [CVE-2026-24681] FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb
FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-825. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:9640 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
Medium [CVE-2026-24679] FreeRDP has a heap-buffer-overflow in urb_select_interface
FreeRDP has a heap-buffer-overflow in urb_select_interface. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-1285. 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 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-24678] Denial of Service via use after free in ecam_channel_write
Denial of Service via use after free in ecam_channel_write. Red Hat rates this important (CVSS 5.3). Weakness: CWE-825. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:19033 — 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 6.
Medium [CVE-2026-24676] Denial of Service via use-after-free in AUDIN format renegotiation
Denial of Service via use-after-free in AUDIN format renegotiation. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-825. 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 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
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