Red Hat Linux Security Advisories & CVEs
3066 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-2026-32107] Privilege Escalation via improper privilege management
Privilege Escalation via improper privilege management. Red Hat rates this important (CVSS 7). Weakness: CWE-273. 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-2026-5807] Denial of Service via unauthenticated root token generation or rekey operations
Denial of Service via unauthenticated root token generation or rekey operations. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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-2026-4525] Information disclosure of authentication tokens via incorrect header handling
Information disclosure of authentication tokens via incorrect header handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. 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-2026-3605] Denial of Service due to unauthorized secret deletion via policy bypass
Denial of Service due to unauthorized secret deletion via policy bypass. Red Hat rates this important (CVSS 8.1). Weakness: CWE-639. 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-2026-40170] Denial of service via stack buffer overflow during QUIC handshake
Denial of service via stack buffer overflow during QUIC handshake. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): samba, ngtcp2-main. Resolved in Red Hat advisory RHSA-2026:22963 — 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 Hardened Images.
High [CVE-2025-54502] APCB SMM driver: kernel: linux-firmware: AMD APCB SMM driver: Arbitrary Code Execution via incorrect boot service use
APCB SMM driver: kernel: linux-firmware: AMD APCB SMM driver: Arbitrary Code Execution via incorrect boot service use. Red Hat rates this important (CVSS 7.5). Weakness: CWE-648. 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.
High [CVE-2026-41082] path traversal via the .install field
path traversal via the.install field. Red Hat rates this important (CVSS 7.1). Weakness: CWE-24. 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 10.
High [CVE-2026-41035] Use-after-free vulnerability in extended attribute handling
Use-after-free vulnerability in extended attribute handling. Red Hat rates this important (CVSS 7.4). Weakness: CWE-805. Affected package(s): rsync, rhcos, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:25044 — 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 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 17 more.
High [CVE-2026-12912] Heap-based buffer overflow via crafted PixarLog-compressed TIFF image
Heap-based buffer overflow via crafted PixarLog-compressed TIFF image. Red Hat rates this important (CVSS 7.3). Weakness: CWE-122. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:34890 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; and 6 more.
High [CVE-2026-40192] Denial of Service via decompression bomb in FITS image processing
Denial of Service via decompression bomb in FITS image processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. Affected package(s): ansible-automation-platform, rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9:1778263054, rhelai3/bootc-rocm-rhel9:1778666124, rhaiis/vllm-rocm-rhel9:1778244531, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1778677734, rhaiis/vllm-cuda-rhel9:1778274666. Resolved in Red Hat advisory RHSA-2026:23361 — 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 19 more.
High [CVE-2026-40261] command injection via malicious Perforce source reference/url
command injection via malicious Perforce source reference/url. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-40176] command injection via malicious Perforce repository definition
command injection via malicious Perforce repository definition. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2025-41118] sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection
sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273. Resolved in Red Hat advisory RHSA-2026:24503 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Ceph Storage 6.
High [CVE-2026-6384] Arbitrary code execution or denial of service via buffer overflow in GIF image processing
Arbitrary code execution or denial of service via buffer overflow in GIF image processing. Red Hat rates this important (CVSS 7.3). Weakness: CWE-120. 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 6; Red Hat Enterprise Linux 8.
High [CVE-2026-33805] @fastify/reply-from: @fastify/http-proxy: Fastify Reply From and HTTP Proxy: Security bypass via Connection header manipulation
@fastify/reply-from: @fastify/http-proxy: Fastify Reply From and HTTP Proxy: Security bypass via Connection header manipulation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-444. Affected package(s): devspaces/dashboard-rhel9:1776795511. Resolved in Red Hat advisory RHSA-2026:10175 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-3505] unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion
unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): eap8-bouncycastle, bcpg-jdk18on, bcpg-fips, bcpg-jdk15on. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; OpenShift Developer Tools and Services; Red Hat AMQ Clients; and 6 more.
High [CVE-2026-5588] PKIX draft CompositeVerifier accepts empty signature sequence as valid
PKIX draft CompositeVerifier accepts empty signature sequence as valid. Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): eap8-bouncycastle, devspaces/openvsx-rhel9:1779528224, eap8-guava-failureaccess, eap8-activemq-artemis, eap8-netty-transport-native-epoll, eap8-reactivex-rxjava. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat OpenShift Dev Spaces 3.28; OpenShift Developer Tools and Services; and 9 more.
High [CVE-2026-5598] private key leakage via non-constant time comparisons
private key leakage via non-constant time comparisons. Red Hat rates this important (CVSS 7.5). Weakness: CWE-385. Affected package(s): eap8-bouncycastle, bcprov-jdk12, eap7-bouncycastle. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; and 2 more.
High [CVE-2025-14813] GOSTCTR implementation unable to process more than 255 blocks correctly
GOSTCTR implementation unable to process more than 255 blocks correctly. Red Hat rates this important (CVSS 7.5). Weakness: CWE-327. Affected package(s): bcprov-jdk15to18, eap8-bouncycastle, devspaces/openvsx-rhel9:1779528224, bcprov-ext-jdk15on, bcprov-ext-jdk18on, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat OpenShift AI 2.25; and 15 more.
High [CVE-2026-33806] Schema validation bypass via malformed Content-Type header
Schema validation bypass via malformed Content-Type header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1289. 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.