Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1158 advisories tracked · Red Hat Security Data API · 3 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Red Hat Enterprise Linux, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 31 critical, 770 high, 341 medium, 16 low.
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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 Linux Red Hat Enterprise Linux advisories
High [CVE-2026-26130] Denial of Service via uncontrolled resource allocation
Denial of Service via uncontrolled resource allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): dotnet8.0, dotnet9.0, dotnet10.0. Resolved in Red Hat advisory RHSA-2026:4458 — 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 8; Red Hat Enterprise Linux 9.4 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-28693] Out-of-bounds read or write due to integer overflow in DIB coder
Out-of-bounds read or write due to integer overflow in DIB coder. Red Hat rates this important (CVSS 8.1). Weakness: CWE-190. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:6713 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-28691] Denial of Service via uninitialized pointer dereference in JBIG decoder
Denial of Service via uninitialized pointer dereference in JBIG decoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-824. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:6713 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-25960] Server-Side Request Forgery bypass via inconsistent URL parsing
Server-Side Request Forgery bypass via inconsistent URL parsing. Red Hat rates this important (CVSS 7.1). Weakness: CWE-474. Affected package(s): rhoai/odh-vllm-gaudi-rhel9:1780069069. Resolved in Red Hat advisory RHSA-2026:24977 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-25679] Incorrect parsing of IPv6 host literals in net/url
Incorrect parsing of IPv6 host literals in net/url. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1286. Affected package(s): openshift4/ose-csi-livenessprobe-rhel8:1776999947, openshift-service-mesh/istio-cni-rhel8:1777374598, openshift4/ose-csi-external-snapshotter-rhel8:1776999951, openshift4/ose-multus-route-override-cni-rhel8:1777001628, openshift4/ose-oauth-server-rhel9:1779253952, openshift4/ose-tests:1777002345. Resolved in Red Hat advisory RHSA-2026:11749 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 10; Red Hat Enterprise Linux Server (v. 7 ELS); Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat OpenShift Container Platform 4.12; and 136 more.
High [CVE-2026-27137] Incorrect enforcement of email constraints in crypto/x509
Incorrect enforcement of email constraints in crypto/x509. Red Hat rates this important (CVSS 7.5). Weakness: CWE-295. Affected package(s): rhc-worker-playbook, golang1, golang, openshift-gitops, rh-lightspeed-runtimes/runtimes-inventory-rhel9-operator:1.0.2, delve. Resolved in Red Hat advisory RHSA-2026:28047 — 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 9.6 Extended Update Support; Red Hat OpenStack Platform 17.1 for RHEL 9; RHEM 1.0 for RHEL 9; and 59 more.
High [CVE-2026-29063] Arbitrary code execution via Prototype Pollution
Arbitrary code execution via Prototype Pollution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-915. Affected package(s): openshift-service-mesh/kiali-ossmc-rhel9:1776151134, cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, rhoai/odh-dashboard-rhel9:1779189627, multicluster-engine/console-mce-rhel9:1776223790, openshift4/ose-networking-console-plugin-rhel9:1778517109. Resolved in Red Hat advisory RHSA-2026:9848 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Advanced Cluster Security for Kubernetes 4.10; Red Hat Advanced Cluster Security for Kubernetes 4.8; and 50 more.
High [CVE-2026-29074] Denial of Service via XML entity expansion
Denial of Service via XML entity expansion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Affected package(s): openshift-service-mesh/kiali-rhel9:1776149682, openshift-service-mesh/kiali-ossmc-rhel9:1776151134, rhoai/odh-mod-arch-model-registry-rhel9:1780467147, rhoai/odh-dashboard-rhel8:1774282136, rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, automation-gateway. Resolved in Red Hat advisory RHSA-2026:13826 — 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 Advanced Cluster Security for Kubernetes 4.8; and 28 more.
High [CVE-2026-25048] Denial of Service via multi-level nested syntax
Denial of Service via multi-level nested syntax. Red Hat rates this important (CVSS 7.5). Weakness: CWE-674. Affected package(s): rhaiis/vllm-cuda-rhel9:1774351144, rhaiis/model-opt-cuda-rhel9:1774547384, rhaiis/vllm-rocm-rhel9:1775252598, rhoai/odh-vllm-gaudi-rhel9:1780069069. Resolved in Red Hat advisory RHSA-2026:24977 — 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 Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-1605] Denial of Service due to unreleased JDK Inflater from compressed HTTP requests
Denial of Service due to unreleased JDK Inflater from compressed HTTP requests. Red Hat rates this important (CVSS 7.5). Weakness: CWE-772. Affected package(s): eap8-eap-product-conf-parent, eap8-wildfly, devspaces/openvsx-rhel9:1779528224, eap8-activemq-artemis, jetty-server, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:25089 — 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.
High [CVE-2025-69534] denial of service via malformed HTML-like sequences
denial of service via malformed HTML-like sequences. Red Hat rates this important (CVSS 8.2). Weakness: CWE-617. Affected package(s): rhdh/rhdh-hub-rhel9:1776784286, python3.12-markdown, rhoai/odh-training-rocm62-torch25-py311-rhel9:1776272253, automation-controller, rhdh/rhdh-hub-rhel9:1777903262, rhoai/odh-training-cuda124-torch25-py311-rhel9:1776243287. Resolved in Red Hat advisory RHSA-2026:13826 — 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 11 more.
High [CVE-2026-27622] Arbitrary code execution via integer overflow in EXR file processing
Arbitrary code execution via integer overflow in EXR file processing. Red Hat rates this important (CVSS 7.4). Weakness: CWE-190. Affected package(s): openexr, rhaiis/vllm-rocm-rhel9:1778244531, OpenEXR, rhaiis/vllm-cuda-rhel9:1778274666, rhaiis/vllm-spyre-rhel9:1778244546, rhaiis/model-opt-cuda-rhel9:1778244559. Resolved in Red Hat advisory RHSA-2026:12339 — 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 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 10 more.
High [CVE-2026-3338] Signature bypass due to improper validation in PKCS7_verify()
Signature bypass due to improper validation in PKCS7_verify(). Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): rhtas/tuffer-rhel9:1773307309, rhtas/tuftool-rhel9:1773307309. Resolved in Red Hat advisory RHSA-2026:5459 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Trusted Artifact Signer 1.3; Confidential Compute Attestation; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; and 2 more.
High [CVE-2026-3336] Certificate validation bypass via improper handling of PKCS7 objects
Certificate validation bypass via improper handling of PKCS7 objects. Red Hat rates this important (CVSS 7.5). Weakness: CWE-295. Affected package(s): rhtas/tuffer-rhel9:1773307309, rhtas/tuftool-rhel9:1773307309. Resolved in Red Hat advisory RHSA-2026:5459 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Trusted Artifact Signer 1.3; Confidential Compute Attestation; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; and 2 more.
High [CVE-2026-28364] Remote code execution via buffer over-read in Marshal deserialization
Remote code execution via buffer over-read in Marshal deserialization. Red Hat rates this important (CVSS 7.9). Weakness: CWE-125. 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-2026-27970] @angular/core: Angular: Cross-site scripting via compromised translation files
@angular/core: Angular: Cross-site scripting via compromised translation files. Red Hat rates this important (CVSS 7.1). Weakness: CWE-79. 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 8; Red Hat Enterprise Linux 9; Red Hat Fuse 7.
High [CVE-2026-27830] Arbitrary Code Execution via deserialization of crafted objects
Arbitrary Code Execution via deserialization of crafted objects. Red Hat rates this important (CVSS 8). Weakness: CWE-502. Affected package(s): com.mchange/c3p0, org.hibernate.orm/hibernate-c3p0, eap8-hibernate, c3p0/c3p0, candlepin. Resolved in Red Hat advisory RHSA-2026:28385 — 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 Satellite 6.18 for RHEL 9; Red Hat build of Debezium 2; and 3 more.
High [CVE-2026-26965] Arbitrary code execution via heap out-of-bounds write in RLE planar decode path
Arbitrary code execution via heap out-of-bounds write in RLE planar decode path. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:5936 — 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-2026-26955] Arbitrary code execution via heap buffer overflow in GDI surface pipeline
Arbitrary code execution via heap buffer overflow in GDI surface pipeline. Red Hat rates this important (CVSS 8.8). Weakness: CWE-805. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:5936 — 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-2026-27727] Arbitrary code execution via JNDI dereferencing of crafted objects
Arbitrary code execution via JNDI dereferencing of crafted objects. Red Hat rates this important (CVSS 8.3). Weakness: CWE-502. Affected package(s): candlepin, eap8-hibernate, mchange-commons-java. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Apache Camel 4.14.4 for Spring Boot 3.5.11; Red Hat Build of Debezium 3.2; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; and 8 more.