Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1218 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, 790 high, 379 medium, 17 low.
Android app · Google Play
Monitor Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Source
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-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.
Critical [CVE-2026-27446] org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication
org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication. Red Hat rates this important (CVSS 9.1). Weakness: CWE-306. Affected package(s): eap8-activemq-artemis, artemis-server. Resolved in Red Hat advisory RHSA-2026:3955 — 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 build of OptaPlanner 8; Red Hat Fuse 7; and 1 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.
Medium [CVE-2026-3441] Information disclosure via specially crafted XCOFF object file
Information disclosure via specially crafted XCOFF object file. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-125. Affected package(s): binutils-main. Resolved in Red Hat advisory RHSA-2026:33527 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 6.
Medium [CVE-2026-3442] Information disclosure or denial of service via out-of-bounds read in bfd linker
Information disclosure or denial of service via out-of-bounds read in bfd linker. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-125. Affected package(s): binutils-main. Resolved in Red Hat advisory RHSA-2026:33527 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 6.
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.
Critical [CVE-2026-27606] Remote Code Execution via Path Traversal Vulnerability
Remote Code Execution via Path Traversal Vulnerability. Red Hat rates this important (CVSS 9.1). Weakness: CWE-22. Affected package(s): rhdh/rhdh-hub-rhel9:1774545605, automation-gateway, ansible-automation-platform, devspaces/traefik-rhel9:1776718585, automation-platform-ui, quay/quay-rhel8:1773971077. Resolved in Red Hat advisory RHSA-2026:5649 — 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 Developer Hub 1.8; and 10 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.
High [CVE-2026-26103] Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API
Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API. Red Hat rates this important (CVSS 7.1). Weakness: CWE-862. Affected package(s): udisks2. Resolved in Red Hat advisory RHSA-2026:5831 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support.
High [CVE-2026-2793] Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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-2026-2792] Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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-2026-2778] Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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-2026-2776] Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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-2026-2777] Privilege escalation in the Messaging System component
Privilege escalation in the Messaging System component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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.