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Critical/high still unreviewed, or CISA KEV listed
Certificate revocation bypass due to improper OCSP response validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Affected package(s): jws6-tomcat-native, tomcat, tomcat10-main, jws6-tomcat, tomcat11-main. Resolved in Red Hat advisory RHSA-2026:5612 — update the affected packages (`sudo dnf update`).
Arbitrary Host File Overwrite via Unconstrained qemu-img Format Handling in OpenStack Nova. Red Hat rates this important (CVSS 7.1). Weakness: CWE-73. Affected package(s): openstack-nova. Resolved in Red Hat advisory RHSA-2026:7884 — update the affected packages (`sudo dnf update`).
Heap buffer overflow in libvpx. Red Hat rates this important (CVSS 7.5). Affected package(s): libvpx, thunderbird, rhaiis/vllm-rocm-rhel9:1775680262, firefox, rhaiis/vllm-cuda-rhel9:1775680192, rhaiis/vllm-spyre-rhel9:1778244546. Resolved in Red Hat advisory RHSA-2026:3967 — update the affected packages (`sudo dnf update`).
Linux kernel: Use-after-free in bonding module can cause system crash or arbitrary code execution. Red Hat rates this moderate (CVSS 7). Weakness: CWE-416. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:8342 — update the affected packages (`sudo dnf update`).
Linux kernel: Denial of Service in ice driver due to race condition during VSI rebuild. Red Hat rates this moderate (CVSS 7). Weakness: CWE-476. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:6570 — update the affected packages (`sudo dnf update`).
fix error recovery in macvlan_common_newlink(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:6954 — update the affected packages (`sudo dnf update`).
Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state. Red Hat rates this moderate (CVSS 7.6). Weakness: CWE-440. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:27708 — update the affected packages (`sudo dnf update`).
Linux kernel: Local denial of service and memory leak in DAMON sysfs via setup failure. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-772. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:8342 — update the affected packages (`sudo dnf update`).
update last_gc only when GC has been performed. Red Hat rates this moderate (CVSS 7.6). Weakness: CWE-400. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:15883 — update the affected packages (`sudo dnf update`).
Fix use-after-free in iscsit_dec_session_usage_count(). Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-364. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:13936 — update the affected packages (`sudo dnf update`).
use skb_header_pointer_careful(). Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-1285. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:10756 — update the affected packages (`sudo dnf update`).
Fix racy access at PCM trigger. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-367. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:13936 — update the affected packages (`sudo dnf update`).
Linux kernel: Information disclosure in efivarfs via incorrect error propagation. Red Hat rates this moderate (CVSS 7.3). Weakness: CWE-390. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:9095 — update the affected packages (`sudo dnf update`).
Privilege escalation or denial of service in nf_tables via inverted element activity check. Red Hat rates this important (CVSS 7.8). Weakness: CWE-672. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:9112 — update the affected packages (`sudo dnf update`).
Use after free in CSS. Red Hat rates this important (CVSS 8.8). No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Denial of Service via stalled STARTTLS requests. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): devspaces/traefik-rhel9:1774227265. Resolved in Red Hat advisory RHSA-2026:6192 — update the affected packages (`sudo dnf update`).
PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory. Red Hat rates this important (CVSS 8.2). Weakness: CWE-120. Affected package(s): postgresql18-main, postgresql18. Resolved in Red Hat advisory RHSA-2026:19009 — update the affected packages (`sudo dnf update`).
PostgreSQL missing validation of multibyte character length executes arbitrary code. Red Hat rates this important (CVSS 8.8). Weakness: CWE-1285. Affected package(s): postgresql, postgresql:16, postgresql:15, postgresql18-main, rhui5/rhua-rhel9:1773670137, postgresql:13. Resolved in Red Hat advisory RHSA-2026:4516 — update the affected packages (`sudo dnf update`).
PostgreSQL pgcrypto heap buffer overflow executes arbitrary code. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): postgresql, postgresql:16, postgresql:15, postgresql18-main, rhui5/rhua-rhel9:1773670137, postgresql:13. Resolved in Red Hat advisory RHSA-2026:4516 — update the affected packages (`sudo dnf update`).
PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code. Red Hat rates this important (CVSS 8.8). Weakness: CWE-1287. Affected package(s): postgresql, postgresql:16, postgresql:15, postgresql18-main, rhui5/rhua-rhel9:1773670137, postgresql:13. Resolved in Red Hat advisory RHSA-2026:4516 — update the affected packages (`sudo dnf update`).