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4212 advisories across 32 monitored vendors.
Heap-based Buffer Overflow in Wireshark. Red Hat rates this important (CVSS 8.8). Weakness: CWE-122. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
fix double free via VMA splitting. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-763. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`).
Buffer overflow in drivers/xen/sys-hypervisor.c. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-170. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`).
Policy bypass due to case-sensitive nameConstraints comparison. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-178. 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`).
Cross-tenant private SSH key disclosure via taxonomy scoping bypass. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-639. Affected package(s): foreman. Resolved in Red Hat advisory RHSA-2026:34366 — update the affected packages (`sudo dnf update`).
Authenticated users can gain administrative access to OpenShift clusters via credential disclosure. Red Hat rates this important (CVSS 6.1). Weakness: CWE-312. Affected package(s): multicluster-engine/assisted-service. Resolved in Red Hat advisory RHSA-2026:12116 — update the affected packages (`sudo dnf update`).
Improper Access Control on Keycloak Server when the account Account API feature is disabled. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-425. Affected package(s): rhbk/keycloak-operator-bundle:26.4.13, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-operator-bundle:26.6.3, rhbk/keycloak-rhel9:26.6. Resolved in Red Hat advisory RHSA-2026:30049 — update the affected packages (`sudo dnf update`).
Security bypass allows acceptance of revoked server certificates via crafted OCSP response. Red Hat rates this low (CVSS 3.7). Weakness: CWE-179. Affected package(s): gnutls-main, rhui5/haproxy-rhel9:1781525671, gnutls, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:20613 — update the affected packages (`sudo dnf update`).
Client-side Denial of Service via malicious SCRAM-SHA-256 authentication. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): postgresql-jdbc, pgjdbc. Resolved in Red Hat advisory RHSA-2026:25030 — update the affected packages (`sudo dnf update`).
Arbitrary file write via directory traversal in Buckets component. Red Hat rates this important (CVSS 8.1). Weakness: CWE-22. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
integer overflow in ima_reader_init(). Red Hat rates this important (CVSS 8.2). Weakness: CWE-190. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, libsndfile, rhaiis/vllm-rocm-rhel9:1782353093, rhaiis/vllm-cuda-rhel9:1782352847. Resolved in Red Hat advisory RHSA-2026:25197 — update the affected packages (`sudo dnf update`).
Security bypass due to incorrect name constraint handling. Red Hat rates this moderate (CVSS 7.4). Weakness: CWE-295. 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`).
Certificate validation bypass due to improper handling of URI and SRV SANs. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-295. 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`).
Certificate validation bypass due to oversized Subject Alternative Name. Red Hat rates this moderate (CVSS 8.2). Weakness: CWE-295. 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`).
Denial of Service via DTLS packet reordering vulnerability. Red Hat rates this important (CVSS 7.5). Weakness: CWE-475. 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-2026:29794 — update the affected packages (`sudo dnf update`).
Authentication Bypass via NUL Character in Username. Red Hat rates this important (CVSS 7.1). Weakness: CWE-170. 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`).
Information disclosure via heap overread in RSA key exchange. Red Hat rates this moderate (CVSS 8.2). Weakness: CWE-126. 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`).
Information disclosure due to incorrect TLS connection reuse. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-319. Affected package(s): curl-main. Resolved in Red Hat advisory RHSA-2026:12916 — update the affected packages (`sudo dnf update`).
Wrong file transfer due to incorrect SMB connection reuse. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1025. Affected package(s): curl-main. Resolved in Red Hat advisory RHSA-2026:12916 — update the affected packages (`sudo dnf update`).
Proxy credential disclosure via redirects to unauthenticated proxies. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-201. Affected package(s): curl-main. Resolved in Red Hat advisory RHSA-2026:12916 — update the affected packages (`sudo dnf update`).