Red Hat Linux Security Advisories & CVEs
3067 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-2026-11774] 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-2026-44393] OpenStack oslo.messaging: Man-in-the-middle attack via improper TLS hostname verification
OpenStack oslo.messaging: Man-in-the-middle attack via improper TLS hostname verification. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. 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 Container Platform 4; Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
High [CVE-2026-47774] HTTP/2 Remote Denial of Service via HPACK compression bomb and Slowloris-style attack
HTTP/2 Remote Denial of Service via HPACK compression bomb and Slowloris-style attack. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. Affected package(s): openshift-service-mesh/istio-proxyv2-rhel9:1781069908, openshift-service-mesh/istio-proxyv2-rhel9:1781070158, openshift-service-mesh/istio-proxyv2-rhel9:1781070967, openshift-service-mesh/proxyv2-rhel9:1781604724, openshift-service-mesh/istio-proxyv2-rhel9:1781094520. Resolved in Red Hat advisory RHSA-2026:26210 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Service Mesh 2.6; Red Hat OpenShift Service Mesh 3.1; Red Hat OpenShift Service Mesh 3.2; Red Hat OpenShift Service Mesh 3.3; and 1 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-2026-4035] Sensitive credential exfiltration via environment variable resolution in AI Gateway secrets
Sensitive credential exfiltration via environment variable resolution in AI Gateway secrets. Red Hat rates this important (CVSS 7.7). 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 AI (RHOAI).
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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 11 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 78 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 12 more.
High [CVE-2026-10702] JIT miscompilation in the JavaScript Engine: JIT component
JIT miscompilation in the JavaScript Engine: JIT component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-733. 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-2026-10701] Incorrect boundary conditions in the Graphics: Text component
Incorrect boundary conditions in the Graphics: Text component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-131. 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-2026-1784] Remote Code Execution Through HAProxy Configuration Injection
Remote Code Execution Through HAProxy Configuration Injection. Red Hat rates this important (CVSS 8.8). Weakness: CWE-15. Affected package(s): openshift4/ose-cluster-ingress-rhel9-operator:1780988280, openshift4/ose-cluster-ingress-rhel9-operator:1780962617, openshift4/ose-cluster-ingress-rhel9-operator:1780444348, openshift4/ose-cluster-ingress-rhel9-operator:1780990977, openshift4/ose-cluster-ingress-operator:1781123014, openshift4/ose-cluster-ingress-rhel9-operator:1780043338. Resolved in Red Hat advisory RHSA-2026:28893 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; Red Hat OpenShift Container Platform 4.15; Red Hat OpenShift Container Platform 4.16; and 4 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-2026-10926] Use after free in Cast
Use after free in Cast. Red Hat rates this important (CVSS 8.8). Weakness: CWE-364. 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-2026-10985] Out of bounds read in Skia
Out of bounds read in Skia. Red Hat rates this important (CVSS 7.4). Weakness: CWE-125. 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-2026-10943] Use after free in WebRTC
Use after free in WebRTC. Red Hat rates this important (CVSS 8.8). Weakness: CWE-825. 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-2026-10889] Out of bounds read in ANGLE
Out of bounds read in ANGLE. Red Hat rates this important (CVSS 8.2). Weakness: CWE-125. 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.