Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1169 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, 777 high, 345 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-2026-11837] ansible.posix authorized_key: local privilege escalation via symlink-following chown
ansible.posix authorized_key: local privilege escalation via symlink-following chown. Red Hat rates this important (CVSS 7.3). Weakness: CWE-59. 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 8; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
High [CVE-2025-71319] Denial of Service due to infinite loop when processing specially crafted images.
Denial of Service due to infinite loop when processing specially crafted images.. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): discovery/discovery-ui-rhel9:1782756541. Resolved in Red Hat advisory RHSA-2026:33313 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Discovery 2; Red Hat Trusted Artifact Signer 1.4; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
High [CVE-2026-45591] Denial of Service via uncontrolled resource consumption
Denial of Service via uncontrolled resource consumption. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): dotnet8, dotnet8.0, dotnet9.0, dotnet9, dotnet10.0, dotnet10. Resolved in Red Hat advisory RHSA-2026:25110 — 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 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; and 1 more.
High [CVE-2025-10263] Privilege escalation or information disclosure via writes to higher exception level resources
Privilege escalation or information disclosure via writes to higher exception level resources. Red Hat rates this important (CVSS 8.4). Weakness: CWE-266. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34911 — 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 for NVIDIA 26; Red Hat OpenShift Container Platform 4.22; and 2 more.
High [CVE-2026-9698] Buffer overflow in error handling can lead to arbitrary code execution
Buffer overflow in error handling can lead to arbitrary code execution. Red Hat rates this important (CVSS 8.2). 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 AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 8); Red Hat Enterprise Linux AppStream (v. 9); Red Hat Enterprise Linux 6; and 4 more.
High [CVE-2026-45447] Heap Use-After-Free in OpenSSL PKCS7_verify()
Heap Use-After-Free in OpenSSL PKCS7_verify(). Red Hat rates this important (CVSS 8.1). Weakness: CWE-825. Affected package(s): insights-proxy/insights-proxy-container-rhel9:1782890503, rhui5/haproxy-rhel9:1781525671, openssl, compat-openssl11, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684. Resolved in Red Hat advisory RHSA-2026:26275 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 8); Red Hat Enterprise Linux AppStream E4S (v.8.8); Red Hat Enterprise Linux AppStream TUS (v.8.8); and 24 more.
High [CVE-2026-46316] Drop the translation cache reference only for the erased entry
Drop the translation cache reference only for the erased entry. Red Hat rates this important (CVSS 7). Weakness: CWE-911. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34911 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream EUS (v.9.6); Red Hat Enterprise Linux AppStream (v. 9); Red Hat Enterprise Linux BaseOS (v. 10); and 18 more.
High [CVE-2026-42536] Heap-based Buffer Overflow via untrusted content in mod_xml2enc
Heap-based Buffer Overflow via untrusted content in mod_xml2enc. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): httpd. Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more.
High [CVE-2026-44185] Buffer Over-read via outbound OCSP requests to attacker-controlled server
Buffer Over-read via outbound OCSP requests to attacker-controlled server. Red Hat rates this important (CVSS 7.3). Weakness: CWE-125. Affected package(s): httpd. Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more.
High [CVE-2026-34355] Buffer overflow in mod_proxy_html allows security bypass
Buffer overflow in mod_proxy_html allows security bypass. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Affected package(s): httpd. Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more.
High [CVE-2026-46309] Reject coh_none PAT index for CPU cached memory in madvise
Reject coh_none PAT index for CPU cached memory in madvise. Red Hat rates this important (CVSS 7). Weakness: CWE-524. 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 9.
High [CVE-2026-11332] argument injection in ansible-galaxy role install leads to arbitrary code execution
argument injection in ansible-galaxy role install leads to arbitrary code execution. Red Hat rates this important (CVSS 7.8). Weakness: CWE-88. 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 Advanced Cluster Management for Kubernetes 2; Red Hat Discovery 2; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; and 11 more.
High [CVE-2026-41567] Moby/Docker Engine: Arbitrary Code Execution via malicious container image and compressed archive upload
Moby/Docker Engine: Arbitrary Code Execution via malicious container image and compressed archive upload. Red Hat rates this important (CVSS 7.5). Weakness: CWE-427. 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 Openshift Data Foundation 4.22; OpenShift Lightspeed; OpenShift Source-to-Image (S2I); Red Hat Advanced Cluster Management for Kubernetes 2; and 12 more.
High [CVE-2026-11774] integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow
integer overflow in SASL packet length bypasses size limit leading to heap buffer overflow. Red Hat rates this important (CVSS 7.6). Weakness: CWE-190. 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 Directory Server 11.5 E4S for RHEL 8; Red Hat Directory Server 11.7 E4S for RHEL 8; Red Hat Directory Server 11.9 for RHEL 8; Red Hat Directory Server 12.2 E4S for RHEL 9; and 13 more.
High [CVE-2026-5241] Arbitrary code execution due to overridden trust_remote_code setting
Arbitrary code execution due to overridden trust_remote_code setting. Red Hat rates this important (CVSS 7.7). Weakness: CWE-829. Affected package(s): rhoai/odh-th06-cuda130-torch210-py312-rhel9:1782136276, rhoai/odh-training-rocm62-torch25-py311-rhel9:1782132236, rhoai/odh-th06-cpu-torch210-py312-rhel9:1782135464, rhoai/odh-training-cuda128-torch29-py312-rhel9:1782132240, rhoai/odh-th06-rocm64-torch291-py312-rhel9:1782135346, rhoai/odh-training-cuda124-torch25-py311-rhel9:1782132207. Resolved in Red Hat advisory RHSA-2026:34456 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 3.3; Red Hat OpenShift AI 3.4; Red Hat AI Inference Server; Red Hat Ansible Automation Platform 2; and 3 more.
High [CVE-2026-49975] Remote Denial of Service via compression bomb and Slowloris-style attack
Remote Denial of Service via compression bomb and Slowloris-style attack. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. Affected package(s): jbcs-httpd24-httpd, mod_http2, jbcs-httpd24-mod_http2, httpd-main, httpd:2.4, openshift-service-mesh/proxyv2-rhel9:1781604724. Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: JBoss Core Services for RHEL 8; JBoss Core Services on RHEL 7; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 9 more.
High [CVE-2026-46244] Fix IPv6 inner_thoff desync
Fix IPv6 inner_thoff desync. Red Hat rates this important (CVSS 7.3). Weakness: CWE-823. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:34094 — 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 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-27145] golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries
golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected package(s): golang-github-openprinting-ipp-usb, opentelemetry-collector, rhdh/rhdh-rhel9-operator:1782767215. Resolved in Red Hat advisory RHSA-2026:33574 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 8); Red Hat Enterprise Linux AppStream (v. 9); Red Hat Developer Hub 1.9; and 58 more.
High [CVE-2026-34993] Arbitrary code execution via untrusted input to CookieJar.load()
Arbitrary code execution via untrusted input to CookieJar.load(). Red Hat rates this important (CVSS 7.2). Weakness: CWE-502. Affected package(s): rhoai/odh-training-rocm62-torch25-py311-rhel9:1782132236, rhoai/odh-training-cuda128-torch29-py312-rhel9:1782132240, rhoai/odh-training-cuda121-torch24-py311-rhel9:1780078807, rhoai/odh-training-cuda121-torch24-py311-rhel9:1782132167, rhoai/odh-training-rocm64-torch29-py312-rhel9:1782132297, rhoai/odh-training-cuda128-torch28-py312-rhel9:1782132237. 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 OpenShift AI 3.3; Red Hat OpenShift AI 3.4; OpenShift Lightspeed; and 8 more.
High [CVE-2026-28946] 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-2026:25918 — 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 6 more.