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1836 advisories across 32 monitored vendors.
fix race conditions in sco_sock_connect(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-821. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:21557 — update the affected packages (`sudo dnf update`).
fix stack buffer overflow in hci_le_big_create_sync. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`).
denial of service via crafted FlowSpec component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): frr, frr10. Resolved in Red Hat advisory RHSA-2026:24340 — update the affected packages (`sudo dnf update`).
clear skb2->cb[] in ip4ip6_err(). Red Hat rates this critical (CVSS 8.8). Weakness: CWE-843. Affected package(s): kernel, rhcos, kernel-rt, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:28741 — update the affected packages (`sudo dnf update`).
Fix use after free in inode_switch_wbs_work_fn(). Red Hat rates this important (CVSS 7). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
clear skb2->cb[] in ip6_err_gen_icmpv6_unreach(). Red Hat rates this important (CVSS 7.3). Weakness: CWE-843. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:25120 — update the affected packages (`sudo dnf update`).
validate the whole DACL before rewriting it in cifsacl. Red Hat rates this important (CVSS 7.8). Weakness: CWE-1288. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:21745 — update the affected packages (`sudo dnf update`).
Heap-based Buffer Overflow in Wireshark. Red Hat rates this important (CVSS 7.8). Weakness: CWE-122. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Wireshark. Red Hat rates this important (CVSS 7.8). Weakness: CWE-22. Affected package(s): wireshark. Resolved in Red Hat advisory RHSA-2026:20600 — update the affected packages (`sudo dnf update`).
Heap-based Buffer Overflow in Wireshark. Red Hat rates this important (CVSS 7.8). Weakness: CWE-122. Affected package(s): wireshark. Resolved in Red Hat advisory RHSA-2026:20600 — update the affected packages (`sudo dnf update`).
Authentication bypass via crafted URL dot-segments in StripPrefixRegex middleware. Red Hat rates this important (CVSS 8.6). Weakness: CWE-22. Affected package(s): devspaces/traefik-rhel9:1779786779. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`).
Authentication bypass via unsanitized alias headers. Red Hat rates this important (CVSS 8.2). Weakness: CWE-289. Affected package(s): devspaces/traefik-rhel9:1779786779. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`).
Authentication bypass in ForwardAuth middleware. Red Hat rates this important (CVSS 8.2). Weakness: CWE-501. Affected package(s): devspaces/traefik-rhel9:1779786779. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`).
Denial of Service via DTLS zero-length fragment. Red Hat rates this important (CVSS 7.5). Weakness: CWE-191. 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-2026:29197 — update the affected packages (`sudo dnf update`).
Arbitrary command execution via command injection in click.edit(). Red Hat rates this important (CVSS 7.2). Weakness: CWE-78. Affected package(s): python3.12-click, python-click. Resolved in Red Hat advisory RHSA-2026:24761 — update the affected packages (`sudo dnf update`).
Arbitrary QML/JavaScript code injection via malicious SVG file. Red Hat rates this important (CVSS 7.8). Weakness: CWE-94. Affected package(s): qt6-main, qt6-qtdeclarative, qt5-main. Resolved in Red Hat advisory RHSA-2026:20567 — update the affected packages (`sudo dnf update`).
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`).
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`).