Red Hat Linux Security Advisories & CVEs
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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-2025-43433] Processing maliciously crafted web content may lead to memory corruption
Processing maliciously crafted web content may lead to memory corruption. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): webkitgtk4, webkit2gtk3. Resolved in Red Hat advisory RHSA-2025:23743 — 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 8.2 Advanced 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; and 9 more.
High [CVE-2025-43438] Processing maliciously crafted web content may lead to an unexpected Safari crash
Processing maliciously crafted web content may lead to an unexpected Safari crash. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): webkitgtk4, webkit2gtk3. Resolved in Red Hat advisory RHSA-2025:23743 — 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 8.2 Advanced 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; and 9 more.
High [CVE-2025-43441] Processing maliciously crafted web content may lead to an unexpected process crash
Processing maliciously crafted web content may lead to an unexpected process crash. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): webkitgtk4, webkit2gtk3. Resolved in Red Hat advisory RHSA-2025:23743 — 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 8.2 Advanced 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; and 9 more.
High [CVE-2025-43457] Processing maliciously crafted web content may lead to an unexpected Safari crash
Processing maliciously crafted web content may lead to an unexpected Safari crash. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:19206 — 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 8 more.
High [CVE-2025-43511] Processing maliciously crafted web content may lead to an unexpected process crash
Processing maliciously crafted web content may lead to an unexpected process crash. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:19206 — 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 8 more.
High [CVE-2026-20652] A remote attacker may be able to cause a denial-of-service
A remote attacker may be able to cause a denial-of-service. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:19206 — 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 8 more.
High [CVE-2026-4451] Insufficient validation of untrusted input in Navigation
Insufficient validation of untrusted input in Navigation. Red Hat rates this important (CVSS 8.2). Weakness: CWE-1286. 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-2026-4453] Integer overflow in Dawn
Integer overflow in Dawn. Red Hat rates this important (CVSS 7.4). 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.
High [CVE-2026-4455] Heap buffer overflow in PDFium
Heap buffer overflow in PDFium. 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 product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-4461] Inappropriate implementation in V8
Inappropriate implementation in V8. 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 product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-23243] Linux kernel: Denial of service and memory corruption in RDMA umad
Linux kernel: Denial of service and memory corruption in RDMA umad. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-131. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:13936 — 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 1; Red Hat Enterprise Linux 7.
High [CVE-2026-27459] DTLS cookie callback buffer overflow
DTLS cookie callback buffer overflow. Red Hat rates this important (CVSS 8.1). Weakness: CWE-120. Affected package(s): pyopenssl-main, ansible-automation-platform, python3.12-pyOpenSSL, quay/quay-rhel8:1776752646, automation-controller, python-pyOpenSSL. Resolved in Red Hat advisory RHSA-2026:11916 — 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 Satellite 6.16 for RHEL 8; and 24 more.
High [CVE-2026-32981] Ray Dashboard Path Traversal Leading to Local File Disclosure
Ray Dashboard Path Traversal Leading to Local File Disclosure. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. Affected package(s): rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9:1780078429, rhaiis/vllm-cuda-rhel9:1774351144, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1778677734, rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9:1778677667, rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9:1778677692, rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9:1780078413. Resolved in Red Hat advisory RHSA-2026:19712 — 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; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more.
High [CVE-2026-4177] YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter
YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. Red Hat rates this important (CVSS 7.3). Weakness: CWE-120. Affected package(s): perl-YAML-Syck. Resolved in Red Hat advisory RHSA-2026:6470 — 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.
High [CVE-2026-32829] lz4_flex's decompression can leak information from uninitialized memory or reused output buffer
lz4_flex's decompression can leak information from uninitialized memory or reused output buffer. Red Hat rates this important (CVSS 7.5). Weakness: CWE-823. Affected package(s): openshift-logging/vector-rhel9:1777574710, openshift-logging/vector-rhel9:1776894389, rhoai/odh-llm-d-inference-scheduler-rhel9:1778263962, openshift-logging/vector-rhel9:1780052069. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Logging Subsystem for Red Hat OpenShift 6.2; Logging Subsystem for Red Hat OpenShift 6.4; Logging Subsystem for Red Hat OpenShift 6.5; Red Hat OpenShift AI 3.3; and 4 more.
High [CVE-2025-69196] Improper token issuance due to incorrect resource parameter handling
Improper token issuance due to incorrect resource parameter handling. Red Hat rates this important (CVSS 7.4). 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 Satellite 6.18.
High [CVE-2025-14287] Arbitrary command execution via unsanitized container image names
Arbitrary command execution via unsanitized container image names. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. 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 AI (RHOAI).
High [CVE-2026-32640] Arbitrary code execution via sandbox escape due to improper object handling
Arbitrary code execution via sandbox escape due to improper object handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-915. Affected package(s): rhoai/odh-training-cuda124-torch25-py311-rhel9:1776243287, rhoai/odh-training-rocm62-torch24-py311-rhel9:1776272258, rhoai/odh-training-rocm62-torch25-py311-rhel9:1776272253, rhoai/odh-training-cuda121-torch24-py311-rhel9:1776243258. Resolved in Red Hat advisory RHSA-2026:10184 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-3084] Remote Code Execution via integer underflow in H.266 Codec Parser
Remote Code Execution via integer underflow in H.266 Codec Parser. Red Hat rates this important (CVSS 7.8). Weakness: CWE-191. 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 8.
High [CVE-2026-2921] Arbitrary code execution via RIFF palette integer overflow in AVI file handling
Arbitrary code execution via RIFF palette integer overflow in AVI file handling. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free, gstreamer-plugins-base, gstreamer-plugins-good. Resolved in Red Hat advisory RHSA-2026:19180 — 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.