Red Hat Linux Security Advisories & CVEs
4429 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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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-2026-84686] notification template password fields can be decrypted by a notification-template administrator by replaying encrypted values across subfields, exposing plaintext Slack, PagerDuty, Twilio, AWS SNS …
notification template password fields can be decrypted by a notification-template administrator by replaying encrypted values across subfields, exposing plaintext Slack, PagerDuty, Twilio, AWS SNS and Grafana credentials. Red Hat rates this important (CVSS 7.6). Weakness: CWE-522. Red Hat lists fixing advisory RHSA-2026:71177 with package ansible-automation-platform-27/controller-rhel9:1789580684, automation-controller-0:4.7.17-1.el9ap, automation-controller-0:4.6.33-1.el9ap, automation-controller-0:4.6.33-1.el8ap. 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 Ansible Automation Platform 2.7.
High [CVE-2026-84689] bulk job launch allows setting a workflow node's job reference to an arbitrary unified job, enabling a low-privileged user to cancel and read metadata of jobs in other organizations
bulk job launch allows setting a workflow node's job reference to an arbitrary unified job, enabling a low-privileged user to cancel and read metadata of jobs in other organizations. Red Hat rates this important (CVSS 8.5). Weakness: CWE-915. Red Hat lists fixing advisory RHSA-2026:71177 with package ansible-automation-platform-27/controller-rhel9:1789580684, automation-controller-0:4.7.17-1.el9ap, automation-controller-0:4.6.33-1.el9ap, automation-controller-0:4.6.33-1.el8ap. 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 Ansible Automation Platform 2.7.
High [CVE-2026-84692] workflow job template node execute permission check bypassed by creating a node with a null unified_job_template and then patching it, allowing a single workflow-admin to execute any other tenant's…
workflow job template node execute permission check bypassed by creating a node with a null unified_job_template and then patching it, allowing a single workflow-admin to execute any other tenant's job template with the victim's credentials (cross-tenant privilege escalation). Red Hat rates this important (CVSS 8.5). Weakness: CWE-863. Red Hat lists fixing advisory RHSA-2026:71177 with package ansible-automation-platform-27/controller-rhel9:1789580684, automation-controller-0:4.7.17-1.el9ap, automation-controller-0:4.6.33-1.el9ap, automation-controller-0:4.6.33-1.el8ap. 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 Ansible Automation Platform 2.7.
High [CVE-2026-84708] container group pod_spec_override mints the automation-controller ServiceAccount token and mounts control-plane namespace secrets into job pods, bypassing automountServiceAccountToken:false (contro…
container group pod_spec_override mints the automation-controller ServiceAccount token and mounts control-plane namespace secrets into job pods, bypassing automountServiceAccountToken:false (control-plane secret and identity compromise). Red Hat rates this important (CVSS 8.7). Weakness: CWE-266. Red Hat lists fixing advisory RHSA-2026:71177 with package ansible-automation-platform-27/controller-rhel9:1789580684, automation-controller-0:4.7.17-1.el9ap, automation-controller-0:4.6.33-1.el9ap, automation-controller-0:4.6.33-1.el8ap. 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 Ansible Automation Platform 2.7.
High [CVE-2026-96269] Arbitrary code execution upon opening a file
Arbitrary code execution upon opening a file. Red Hat rates this important (CVSS 7.8). Weakness: CWE-94. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: emacs.
High [CVE-2026-94574] hardcoded configuration file writable by unprivileged users
hardcoded configuration file writable by unprivileged users. Red Hat rates this important (CVSS 7.8). Weakness: CWE-427.
High [CVE-2026-13087] Heap out-of-bounds write in the Linux kernel RPC-over-RDMA server reply path...
Heap out-of-bounds write in the Linux kernel RPC-over-RDMA server reply path... Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat package: kernel-rt.
High [CVE-2026-95818] Local attacker can cause denial of service and information disclosure via stack-based buffer overflow.
Local attacker can cause denial of service and information disclosure via stack-based buffer overflow. Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:72503 with package glibc-main-2.43-8.7.hum1. 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; and 3 more. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: glibc.
High [CVE-2026-86805] Privilege escalation and arbitrary code execution via TOCTOU race condition in dynamic loader
Privilege escalation and arbitrary code execution via TOCTOU race condition in dynamic loader. Red Hat rates this moderate (CVSS 7). Weakness: CWE-367. Red Hat lists fixing advisory RHSA-2026:72503 with package glibc-main-2.43-8.7.hum1. 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; and 3 more. Affected products named by the advisory: Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: glibc.
High [CVE-2026-94640] Rpcbind: unbounded memory allocation in rpcbind statistics tracking allows unauthenticated remote denial of service
A flaw was found in rpcbind. This vulnerability allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by sending a large number of unique requests. The rpcbind service records previously unseen RPC (Remote Procedure Call) statistics in unbounded in-memory lists, leading to persistent memory growth and increased CPU usage. This can degrade or exhaust service availability. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-400. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: rpcbind.
High [CVE-2026-63374] TLS certificate spoofing via improper internationalized domain name encoding
TLS certificate spoofing via improper internationalized domain name encoding. Red Hat rates this moderate (CVSS 7.4). Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:73929 with package rhaiis/vllm-rocm-rhel9:1790621713, rhaiis/vllm-cuda-rhel9:1790621718. Affected products named by the advisory: Confidential Compute Attestation; Exploit Intelligence; Lightspeed Core; Migration Toolkit for Applications 8; and 10 more. Affected products named by the advisory: Migration Toolkit for Containers; OpenShift Lightspeed; Red Hat AI Inference Server; Red Hat Ansible Automation Platform 2; and 6 more.
High [CVE-2026-77619] Denial of Service via unbounded memory allocation in Logstash source
Denial of Service via unbounded memory allocation in Logstash source. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected product named by the advisory: Logging Subsystem for Red Hat OpenShift.
High [CVE-2026-95619] libstdc++ integer overflow in `new` operator
libstdc++ integer overflow in `new` operator. Red Hat rates this moderate (CVSS 7.7). Weakness: CWE-190. Red Hat lists fixing advisory RHSA-2026:67275 with package gcc-main-16.2.1-2.hum1, gcc13-main-13.5.0-0.1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 3 more. Affected products named by the advisory: Red Hat package: gcc; Red Hat package: mingw-gcc; Red Hat package: rteval-loads.
High [CVE-2026-63276] stack buffer overflow in CFF to Type 1 font conversion
stack buffer overflow in CFF to Type 1 font conversion. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-121. 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 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-63275] stack buffer overflow in CFF font hint handling
stack buffer overflow in CFF font hint handling. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-121. 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 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-63274] heap buffer overflow in PDF import stream handling
heap buffer overflow in PDF import stream handling. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-120. 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 1 more. Affected products named by the advisory: Red Hat package: libreoffice.
High [CVE-2026-95508] heap buffer overflow in DHCPv6/TFTP response builders on small interface MTU
heap buffer overflow in DHCPv6/TFTP response builders on small interface MTU. Red Hat rates this moderate (CVSS 7.4). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: libslirp.
High [CVE-2026-95511] lpadmin can escalate to root via privileged serial backend (cups2root)
lpadmin can escalate to root via privileged serial backend (cups2root). Red Hat rates this important (CVSS 8.2). Weakness: CWE-269. Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-94627] Denial of Service via GPU memory exhaustion
Denial of Service via GPU memory exhaustion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-94626] Denial of Service via unvalidated memory allocation parameter
Denial of Service via unvalidated memory allocation parameter. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI).