Red Hat Linux Security Advisories & CVEs
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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
Medium [CVE-2026-6429] Credential leak via reused proxy connection during HTTP redirects
Credential leak via reused proxy connection during HTTP redirects. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-201. Affected package(s): curl-main. Resolved in Red Hat advisory RHSA-2026:12916 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-42014] Use-after-free in gnutls_pkcs11_token_set_pin
Use-after-free in gnutls_pkcs11_token_set_pin. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-825. Affected package(s): rhui5/installer-rhel9:1781525693, libtasn1, gnutls, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791. Resolved in Red Hat advisory RHSA-2026:20613 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 11 more.
Medium [CVE-2026-42015] Memory corruption due to off-by-one error in PKCS#12 bag handling
Memory corruption due to off-by-one error in PKCS#12 bag handling. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-193. Affected package(s): rhui5/installer-rhel9:1781525693, libtasn1, gnutls, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791. Resolved in Red Hat advisory RHSA-2026:20613 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 11 more.
Low [CVE-2026-6276] Information disclosure due to cookie leak when reusing connections with custom Host headers
Information disclosure due to cookie leak when reusing connections with custom Host headers. Red Hat rates this low (CVSS 3.7). Weakness: CWE-346. Affected package(s): curl-main. Resolved in Red Hat advisory RHSA-2026:12916 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Low [CVE-2026-5419] Information disclosure via timing side-channel in PKCS#7 padding removal
Information disclosure via timing side-channel in PKCS#7 padding removal. Red Hat rates this low (CVSS 3.7). Weakness: CWE-208. Affected package(s): rhui5/haproxy-rhel9:1781525671, gnutls, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952, discovery/discovery-server-rhel9:1782159791. Resolved in Red Hat advisory RHSA-2026:20613 — 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 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Discovery 2; and 4 more.
Critical [CVE-2026-41607] Out-of-bounds Read vulnerability
Out-of-bounds Read vulnerability. Red Hat rates this important (CVSS 9.1). Weakness: CWE-125. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, rhosdt/tempo-rhel9:1778158374, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, rhosdt/tempo-query-rhel9:1778158343. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat OpenShift distributed tracing 3.9.3; Red Hat AI Inference Server; and 8 more.
Critical [CVE-2026-7358] Use after free in Animation
Use after free in Animation. 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-2026-7352] Use after free in Media
Use after free in Media. Red Hat rates this important (CVSS 9). 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-2026-7363] Use after free in Canvas
Use after free in Canvas. 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-2026-7350] Use after free in WebMIDI
Use after free in WebMIDI. Red Hat rates this important (CVSS 9). 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-2026-7342] Use after free in WebView
Use after free in WebView. 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-2026-7333] Use after free in GPU
Use after free in GPU. 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-2026-7361] Use after free in iOS
Use after free in iOS. Red Hat rates this important (CVSS 9.6). 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-2026-42208] Unauthorized data access and modification via SQL injection
Unauthorized data access and modification via SQL injection. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-89. 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-2026-7324] Memory safety bugs fixed in Firefox 150.0.1
Memory safety bugs fixed in Firefox 150.0.1. Red Hat rates this important (CVSS 7.5). 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-2026-7323] Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1
Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1. Red Hat rates this important (CVSS 7.5). Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:19370 — 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 8 more.
High [CVE-2026-7322] Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1
Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:19370 — 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 8 more.
High [CVE-2026-7320] Information disclosure due to incorrect boundary conditions in the Audio/Video component
Information disclosure due to incorrect boundary conditions in the Audio/Video component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Affected package(s): firefox, thunderbird. Resolved in Red Hat advisory RHSA-2026:19370 — 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 8 more.
High [CVE-2026-41636] Node.js skip() recursion
Node.js skip() recursion. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-776. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, rhacm2/acm-grafana-rhel9:1780677003. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-41606] Denial of Service via uncontrolled recursion
Denial of Service via uncontrolled recursion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, rhosdt/tempo-rhel9:1778158374, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, rhosdt/tempo-query-rhel9:1778158343. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat OpenShift distributed tracing 3.9.3; Red Hat AI Inference Server; and 8 more.