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Security advisories & CVEs
5193 advisories across 32 monitored vendors.
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High [CVE-2026-32710] Remote Code Execution or Denial of Service via JSON_SCHEMA_VALID() function vulnerability
Remote Code Execution or Denial of Service via JSON_SCHEMA_VALID() function vulnerability. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-120. Affected package(s): mariadb11.8, galera, mariadb:11.8. Resolved in Red Hat advisory RHSA-2026:19182 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-4519] Command-line option injection in webbrowser.open() via crafted URLs
Command-line option injection in webbrowser.open() via crafted URLs. Red Hat rates this important (CVSS 7.1). Weakness: CWE-88. Affected package(s): python3.11, rhpam, discovery/discovery-server-rhel9:1775668717, python3.9, python3.12, rhaiis/vllm-cuda-rhel9:1778274666. Resolved in Red Hat advisory RHSA-2026:10140 — 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 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.2 Advanced Update Support; and 18 more.
High [CVE-2026-32305] mTLS bypass allows unauthorized service access via fragmented ClientHello.
mTLS bypass allows unauthorized service access via fragmented ClientHello.. Red Hat rates this important (CVSS 8.3). Weakness: CWE-179. Affected package(s): devspaces/traefik-rhel9:1779786779, devspaces/traefik-rhel9:1776718585. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Red Hat OpenShift Dev Spaces 3.28; Red Hat OpenShift GitOps.
High [CVE-2026-33036] Denial of Service via XML entity expansion bypass
Denial of Service via XML entity expansion bypass. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-776. Affected package(s): odf4/ocs-client-console-rhel9:1778050558, odf4/mcg-core-rhel9:1776403991, odf4/ocs-client-rhel9-operator:1778049818, odf4/odf-cloudnative-pg-rhel9-operator:1776406131, odf4/odf-csi-addons-sidecar-rhel9:1778050048, odf4/odf-multicluster-console-rhel9:1778078096. Resolved in Red Hat advisory RHSA-2026:7110 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-32875] Denial of Service via large indent parameter in JSON serialization
Denial of Service via large indent parameter in JSON serialization. Red Hat rates this important (CVSS 7.5). Weakness: CWE-190. 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-2026-32874] Denial of Service due to memory leak when parsing large integers
Denial of Service due to memory leak when parsing large integers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-772. 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-2026-23536] Unauthenticated Arbitrary File Read
Unauthenticated Arbitrary File Read. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. 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-2026-23538] Resource exhaustion via WebSocket endpoint
Resource exhaustion via WebSocket endpoint. 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 product named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-4438] Invalid DNS hostname returned via gethostbyaddr functions
Invalid DNS hostname returned via gethostbyaddr functions. Red Hat rates this low (CVSS 4). Weakness: CWE-838. Affected package(s): glibc-main, rhui5/haproxy-rhel9:1781525671, insights-proxy/insights-proxy-container-rhel9:1780420428, glibc, rhui5/installer-rhel9:1781525693, costmanagement/costmanagement-metrics-rhel9-operator:1780946239. Resolved in Red Hat advisory RHSA-2026:19061 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Medium [CVE-2026-4437] Incorrect DNS response parsing via crafted DNS server response
Incorrect DNS response parsing via crafted DNS server response. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1286. Affected package(s): glibc-main, rhui5/haproxy-rhel9:1781525671, insights-proxy/insights-proxy-container-rhel9:1780420428, glibc, rhui5/installer-rhel9:1781525693, costmanagement/costmanagement-metrics-rhel9-operator:1780946239. Resolved in Red Hat advisory RHSA-2026:19061 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Medium [CVE-2026-33022] Denial of Service via long resolver names
Denial of Service via long resolver names. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-130. Affected package(s): openshift-pipelines/pipelines-controller-rhel9:1775707731, openshift-pipelines/pipelines-operator-bundle:1776925111, openshift-pipelines/pipelines-operator-bundle:1774871390, openshift-pipelines/pipelines-controller-rhel9:1774556221. Resolved in Red Hat advisory RHSA-2026:6170 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-30836] Unauthenticated certificate issuance via SCEP Update Request
Unauthenticated certificate issuance via SCEP Update Request. Red Hat rates this critical (CVSS 10). Weakness: CWE-306. 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-2026-22731] Authentication bypass via misconfigured Health Group additional path
Authentication bypass via misconfigured Health Group additional path. Red Hat rates this moderate (CVSS 8.2). Weakness: CWE-305. Affected package(s): devspaces/pluginregistry-rhel9:1776717247, spring-boot, devspaces/openvsx-rhel9:1776716842. Resolved in Red Hat advisory RHSA-2026:25089 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-3029] Arbitrary file write via path traversal vulnerability
Arbitrary file write via path traversal vulnerability. Red Hat rates this important (CVSS 8.2). Weakness: CWE-22. 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 AI (RHEL AI) 3.
High [CVE-2006-10003] XML::Parser: Memory corruption via deeply nested XML files
XML::Parser: Memory corruption via deeply nested XML files. Red Hat rates this important (CVSS 8.8). Weakness: CWE-193. Affected package(s): perl-XML-Parser. Resolved in Red Hat advisory RHSA-2026:8608 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 11 more.
High [CVE-2026-4424] Information disclosure via heap out-of-bounds read in RAR archive processing
Information disclosure via heap out-of-bounds read in RAR archive processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Affected package(s): libarchive, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/cds-kubernetes-tp-rhel9:1777459441. Resolved in Red Hat advisory RHSA-2026:20040 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 25 more.
High [CVE-2025-69720] Buffer overflow vulnerability may lead to arbitrary code execution.
Buffer overflow vulnerability may lead to arbitrary code execution.. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-120. Affected package(s): ncurses, ncurses-main. Resolved in Red Hat advisory RHSA-2026:5913 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
Medium [CVE-2006-10002] XML::Parser for Perl: Heap corruption and denial of service from crafted XML input
XML::Parser for Perl: Heap corruption and denial of service from crafted XML input. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-131. Affected package(s): perl-XML-Parser. Resolved in Red Hat advisory RHSA-2026:8608 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-4426] Denial of Service via malformed ISO file processing
Denial of Service via malformed ISO file processing. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1335. Affected package(s): libarchive-main. Resolved in Red Hat advisory RHSA-2026:8944 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-4442] Heap buffer overflow in CSS
Heap buffer overflow in CSS. Red Hat rates this important (CVSS 9.6). 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.