Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1188 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, 786 high, 355 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-2026-11332] 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.
High [CVE-2026-28847] 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): 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.
High [CVE-2026-28883] 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-2026:25918 — 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.
High [CVE-2026-43658] 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-120. 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.
High [CVE-2026-50256] stack buffer overflow in font alias resolution due to libXfont2 name length mismatch
stack buffer overflow in font alias resolution due to libXfont2 name length mismatch. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50257] use-after-free in miSyncDestroyFence()
use-after-free in miSyncDestroyFence(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50258] stack buffer overflow in XKB key types due to unchecked shift levels
stack buffer overflow in XKB key types due to unchecked shift levels. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50259] stack buffer overflow in XKB SetMap request via mapWidths indexing
stack buffer overflow in XKB SetMap request via mapWidths indexing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50260] use-after-free in FreeCounter()
use-after-free in FreeCounter(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50261] use-after-free in SyncChangeCounter()
use-after-free in SyncChangeCounter(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-50264] out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat
out-of-bounds heap write in DRI2 DRIGetBuffers/DRIGetBuffersWithFormat. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
High [CVE-2026-49121] AI Tensor Engine for ROCm (AITER): Remote Code Execution via Unauthenticated Pickle Deserialization
AI Tensor Engine for ROCm (AITER): Remote Code Execution via Unauthenticated Pickle Deserialization. Red Hat rates this important (CVSS 8.1). Weakness: CWE-502. 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 AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).