Red Hat Linux Security Advisories & CVEs
5201 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 Linux 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 Linux advisories
High [CVE-2026-32589] insecure direct object reference in BlobUpload
insecure direct object reference in BlobUpload. Red Hat rates this important (CVSS 7.4). Weakness: CWE-639. Affected package(s): quay/quay-rhel9:1779922205, quay/quay-rhel8:1779811473, quay/quay-rhel8:1779689392, quay/quay-rhel8:1779822261, openshift/mirror-registry-rhel8:1782177012, quay/quay-rhel9:1779204086. Resolved in Red Hat advisory RHSA-2026:23361 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: mirror registry for Red Hat OpenShift 2.0; Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.14; and 4 more.
High [CVE-2026-32590] remote code execution using pickle deserialization
remote code execution using pickle deserialization. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-502. Affected package(s): quay/quay-rhel9:1779922205, quay/quay-rhel8:1779811473, quay/quay-rhel8:1779689392, quay/quay-rhel8:1779822261, openshift/mirror-registry-rhel8:1782177012, quay/quay-rhel9:1779204086. Resolved in Red Hat advisory RHSA-2026:23361 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: mirror registry for Red Hat OpenShift 2.0; Red Hat Quay 3.12; Red Hat Quay 3.14; Red Hat Quay 3.15; and 4 more.
High [CVE-2026-6846] Arbitrary code execution via malformed XCOFF object file processing
Arbitrary code execution via malformed XCOFF object file processing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-122. Affected package(s): binutils-main. Resolved in Red Hat advisory RHSA-2026:33527 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more.
High [CVE-2026-58016] integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml". Red Hat rates this important (CVSS 7.5). Weakness: CWE-191. 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 Enterprise Linux 8; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 3 more.
High [CVE-2026-31411] fix crash due to unvalidated vcc pointer in sigd_send()
fix crash due to unvalidated vcc pointer in sigd_send(). Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-822. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:33285 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9.
Medium [CVE-2026-2377] Server-Side Request Forgery via log export functionality
Server-Side Request Forgery via log export functionality. Red Hat rates this important (CVSS 6.5). Weakness: CWE-918. Affected package(s): quay/quay-rhel8:1779811473, quay/quay-rhel8:1779689392, quay/quay-rhel8:1779822261, quay/quay-rhel9:1779204086, quay/quay-rhel8:1779811412, quay/quay-rhel8:1780891395. Resolved in Red Hat advisory RHSA-2026:23361 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.14; Red Hat Quay 3.15; and 3 more.
Medium [CVE-2025-57847] Ansible-automation-platform: privilege escalation via excessive group writable /etc/passwd permissions
A container privilege escalation flaw was found in certain Ansible Automation Platform images. This issue arises from the /etc/passwd file being created with group-writable permissions during the build process. In certain conditions, an attacker who can execute commands within an affected container, even as a non-root user, can leverage their membership in the root group to modify the /etc/passwd file. This vulnerability allows an attacker to add a new user with any arbitrary UID, including UID 0, gaining full root privileges within the container. Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5; Red Hat Ansible Automation Platform 2.
Medium [CVE-2026-32281] Go crypto/x509: Denial of Service via inefficient certificate chain validation
Go crypto/x509: Denial of Service via inefficient certificate chain validation. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-1050. Affected package(s): grafana-pcp, skopeo, host-metering, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, openshift-service-mesh/kiali-rhel9:1779520708, quay/quay-rhel9:1779922205. Resolved in Red Hat advisory RHSA-2026:10217 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Medium [CVE-2026-32288] Go's archive/tar package: Denial of Service via maliciously-crafted archive
Go's archive/tar package: Denial of Service via maliciously-crafted archive. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-770. Affected package(s): golang1. Resolved in Red Hat advisory RHSA-2026:7385 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-32289] Cross-Site Scripting (XSS) via improper context and brace depth tracking in JS template literals
Cross-Site Scripting (XSS) via improper context and brace depth tracking in JS template literals. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-79. Affected package(s): golang1. Resolved in Red Hat advisory RHSA-2026:7385 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-32591] server-side request forgery in proxy cache upstream registry configuration
server-side request forgery in proxy cache upstream registry configuration. Red Hat rates this important (CVSS 5.2). Weakness: CWE-918. Affected package(s): quay/quay-rhel9:1780604033. Resolved in Red Hat advisory RHSA-2026:24833 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Quay 3.17; mirror registry for Red Hat OpenShift 2; Red Hat Quay 3.9; Red Hat Quay 3.16; and 4 more.
Critical [CVE-2026-34078] Arbitrary code execution via crafted symlinks in sandbox-expose options
Arbitrary code execution via crafted symlinks in sandbox-expose options. Red Hat rates this important (CVSS 9). Weakness: CWE-59. Affected package(s): flatpak. Resolved in Red Hat advisory RHSA-2026:21757 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 7 more.
Critical [CVE-2026-34582] Client authentication bypass in TLS 1.3 implementation
Client authentication bypass in TLS 1.3 implementation. Red Hat rates this important (CVSS 9.1). Weakness: CWE-166. 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 10.
Critical [CVE-2026-34580] Certificate validation bypass due to incorrect certificate matching
Certificate validation bypass due to incorrect certificate matching. Red Hat rates this important (CVSS 9.1). Weakness: CWE-295. 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 10.
Critical [CVE-2026-4631] Unauthenticated remote code execution due to SSH command-line argument injection
Unauthenticated remote code execution due to SSH command-line argument injection. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-78. Affected package(s): cockpit. Resolved in Red Hat advisory RHSA-2026:7383 — 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 9.6 Extended Update Support.
Critical [CVE-2026-5861] Use after free in V8
Use after free in V8. Red Hat rates this important (CVSS 9.6). 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.
Critical [CVE-2026-5866] Use after free in Media
Use after free in Media. Red Hat rates this important (CVSS 9.6). 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.
Critical [CVE-2026-5872] Use after free in Blink
Use after free in Blink. Red Hat rates this important (CVSS 9.6). 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.
Critical [CVE-2026-5863] Inappropriate implementation in V8
Inappropriate implementation in V8. Red Hat rates this important (CVSS 9.6). Weakness: CWE-641. 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.
Critical [CVE-2026-5870] Integer overflow in Skia
Integer overflow in Skia. Red Hat rates this important (CVSS 9.6). 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.