Red Hat Linux Security Advisories & CVEs
4793 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-2026-10143] Denial of Service via excessive SCRAM authentication iteration count
Denial of Service via excessive SCRAM authentication iteration count. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected package(s): quay/quay-rhel8:1782487717, quay/quay-rhel8:1781878070, quay/quay-rhel8:1781937357. Resolved in Red Hat advisory RHSA-2026:28571 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: kafka-python; Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.9; and 2 more.
High [CVE-2026-46529] PDF /GoToR action argv injection enables single-click RCE via --gtk-module dlopen
PDF /GoToR action argv injection enables single-click RCE via --gtk-module dlopen. Red Hat rates this important (CVSS 7.8). Weakness: CWE-77. Affected package(s): evince. Resolved in Red Hat advisory RHSA-2026:33416 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux AppStream (v. 8); Red Hat Enterprise Linux AppStream E4S (v.9.2); Red Hat Enterprise Linux AppStream E4S (v.9.4); Red Hat Enterprise Linux AppStream EUS (v.9.6); and 13 more.
High [CVE-2026-1220] Race in V8
Race in V8. Red Hat rates this important (CVSS 7.5). Weakness: CWE-843. 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-2026-6893] Root code execution via DHCP options command injection
Root code execution via DHCP options command injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-78. Affected package(s): dracut, dracut-main. Resolved in Red Hat advisory RHSA-2026:26713 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; and 16 more.
High [CVE-2026-49759] Denial of Service via crafted SCTP ERROR chunk
Denial of Service via crafted SCTP ERROR chunk. 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 product named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-53437] Phishing attack via improper redirect URL validation
Phishing attack via improper redirect URL validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-601. 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: OpenShift Developer Tools and Services 4.12; OpenShift Developer Tools and Services 4.15; OpenShift Developer Tools and Services 4.16; OpenShift Developer Tools and Services 4.17; and 7 more.
High [CVE-2026-53435] Arbitrary code execution via deserialization of attacker-controlled configuration
Arbitrary code execution via deserialization of attacker-controlled configuration. Red Hat rates this important (CVSS 8.8). 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: OpenShift Developer Tools and Services 4.12; OpenShift Developer Tools and Services 4.13; OpenShift Developer Tools and Services 4.14; OpenShift Developer Tools and Services 4.15; and 7 more.
High [CVE-2026-12975] Unhardened SAXParser in content-type detection leads to blind XXE / SSRF / billion-laughs DoS
Unhardened SAXParser in content-type detection leads to blind XXE / SSRF / billion-laughs DoS. Red Hat rates this important (CVSS 8.5). Weakness: CWE-611. 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 build of Apicurio Registry 3.3.1.
High [CVE-2026-12992] SSRF via wsdl4j import dereference in WSDL FULL validation
SSRF via wsdl4j import dereference in WSDL FULL validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-918. 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 build of Apicurio Registry 3.3.1.
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 OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 4 more.
High [CVE-2026-54099] WICD CSR extra-Organization allows privilege escalation to system:masters
WICD CSR extra-Organization allows privilege escalation to system:masters. Red Hat rates this important (CVSS 8.8). Weakness: CWE-269. 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 OpenShift for Windows Containers 10.22; Red Hat OpenShift for Windows Containers 10.21; OpenShift Windows Machine Config Operator 10.21; and 2 more.
High [CVE-2026-54100] SSH host key not verified enables credential theft
SSH host key not verified enables credential theft. Red Hat rates this important (CVSS 8.3). 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 OpenShift for Windows Containers 10.22; Red Hat OpenShift for Windows Containers 10.21; OpenShift Windows Machine Config Operator 10.21; and 2 more.
High [CVE-2026-41731] Spring for Apache Kafka: Arbitrary code execution via insecure deserialization of crafted header values
Spring for Apache Kafka: Arbitrary code execution via insecure deserialization of crafted header values. 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 Fuse 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
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-2026-45490] .NET SDK workload elevate: arbitrary file creation/truncation via LogFile named pipe.
.NET SDK workload elevate: arbitrary file creation/truncation via LogFile named pipe.. Red Hat rates this important (CVSS 7.8). Weakness: CWE-266. 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-2026-42573] Cross-Site Scripting via DOM Clobbering
Cross-Site Scripting via DOM Clobbering. Red Hat rates this important (CVSS 8.1). Weakness: CWE-79. 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-2026-42570] Excessive memory consumption via deserialization of sparse arrays
Excessive memory consumption via deserialization of sparse arrays. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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 Trusted Artifact Signer 1.4; Red Hat Enterprise Linux 10; Red Hat Build of Podman Desktop.
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 for NVIDIA 26; Red Hat OpenShift Container Platform 4.22; 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 18 more.
High [CVE-2026-52903] YAML safe_load production fallback to unsafe_load enables RCE via deserialization
YAML safe_load production fallback to unsafe_load enables RCE via deserialization. Red Hat rates this important (CVSS 8.8). Weakness: CWE-502. 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 CloudForms.