Red Hat Linux Security Advisories & CVEs
4432 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-2026-95511] 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).
High [CVE-2026-94625] Resource exhaustion via rejected prefill requests
Resource exhaustion via rejected prefill requests. 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-2026-94624] Denial of Service via unbounded P2P KV offloading sessions
Denial of Service via unbounded P2P KV offloading sessions. 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-2026-94623] Denial of Service via NIXL multi-prompt assertion failure
Denial of Service via NIXL multi-prompt assertion failure. Red Hat rates this important (CVSS 7.5). Weakness: CWE-617. 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-2026-94622] Denial of Service via Incomplete NIXL KV Transfer Metadata
Denial of Service via Incomplete NIXL KV Transfer Metadata. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. 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-2026-49811] Dell Command | Monitor: Dell Command | Monitor: Elevation of Privileges via Incorrect Permission Assignment
Dell Command | Monitor: Dell Command | Monitor: Elevation of Privileges via Incorrect Permission Assignment. Red Hat rates this important (CVSS 8.4). Weakness: CWE-266.
High [CVE-2026-94449] Memory leak in @ApplyGuard leads to Denial of Service
Memory leak in @ApplyGuard leads to Denial of Service. Red Hat rates this important (CVSS 7.5). Weakness: CWE-400. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apicurio Registry 3; Red Hat build of Quarkus.
High [CVE-2026-94184] Fetchmail: fetchmail: stack-based buffer overflow in ntlm authentication (fetchmail-sa-2026-01)
A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while building the NTLM authenticate response. This may lead to remote code execution depending on stack-frame layout, or to authentication failure or process termination under memory hardening. Affects v5.0.8 through v6.6.6. Red Hat provided an estimated impact and CVSS vector and is subject to change. Red Hat severity: Important. Weakness: CWE-121. 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 does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: fetchmail.
High [CVE-2026-80110] Dogtag PKI v2 REST ACL filter's reverse-lexicographic tie-break lets a CA Agent invoke the admin-only raw profile creation endpoint
Dogtag PKI v2 REST ACL filter's reverse-lexicographic tie-break lets a CA Agent invoke the admin-only raw profile creation endpoint. Red Hat rates this important (CVSS 8.1). Weakness: CWE-863. Red Hat lists fixing advisory RHSA-2026:73765 with package dogtag-pki-0:11.9.0-5.el10_2, pki-core-0:11.7.1-2.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
High [CVE-2026-75939] Release signature verification: OpenPGP SignatureError checked before signed body is consumed
Release signature verification: OpenPGP SignatureError checked before signed body is consumed. Red Hat rates this important (CVSS 7.4). Weakness: CWE-347. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.
High [CVE-2026-88807] Code injection via heap overflow in RenderQueryPictFormats
Code injection via heap overflow in RenderQueryPictFormats. Red Hat rates this important (CVSS 8.3). Weakness: CWE-120. 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 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: libxrender.
High [CVE-2026-88806] Heap-based buffer overflow via malicious X server
Heap-based buffer overflow via malicious X server. Red Hat rates this important (CVSS 7.5). 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 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: libx11.
High [CVE-2026-94368] Presigned PUT URL escalation to CopyObject via unsigned x-amz-copy-source header
Presigned PUT URL escalation to CopyObject via unsigned x-amz-copy-source header. Red Hat rates this important (CVSS 7.1). Weakness: CWE-347. Affected product named by the advisory: Red Hat Openshift Data Foundation 4.
High [CVE-2026-91866] Denial of Service via crafted WS-Policy documents
Denial of Service via crafted WS-Policy documents. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform 7; and 3 more. Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack; Red Hat Single Sign-On 7.
High [CVE-2026-91865] Denial of Service via crafted WS-Policy documents
Denial of Service via crafted WS-Policy documents. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform 7; and 3 more. Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack; Red Hat Single Sign-On 7.
High [CVE-2026-91864] Denial of Service via crafted WS-Policy documents
Denial of Service via crafted WS-Policy documents. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform 7; and 3 more. Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack; Red Hat Single Sign-On 7.
High [CVE-2026-91863] Denial of Service via uncontrolled recursion in WS-Policy document parsing
Denial of Service via uncontrolled recursion in WS-Policy document parsing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform 7; and 3 more. Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack; Red Hat Single Sign-On 7.
High [CVE-2026-92574] CRI-O checkpoint restore bypasses destination security context
CRI-O checkpoint restore bypasses destination security context. Red Hat rates this important (CVSS 8.8). Weakness: CWE-250. Affected product named by the advisory: Red Hat OpenShift Container Platform 4.