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1818 advisories across 32 monitored vendors.
Denial of Service via specially crafted DNS messages. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1287. Affected package(s): bind9.16, bind-main, bind9.18, bind. Resolved in Red Hat advisory RHSA-2026:23360 — update the affected packages (`sudo dnf update`).
BIND 9 server memory exhaustion during GSS-API TKEY negotiation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): bind9.16, bind-main, bind9.18, bind. Resolved in Red Hat advisory RHSA-2026:23360 — update the affected packages (`sudo dnf update`).
SIG(0) validation during query flood may lead to undefined behavior. Red Hat rates this important (CVSS 7.5). Weakness: CWE-367. Affected package(s): bind-main. Resolved in Red Hat advisory RHSA-2026:7412 — update the affected packages (`sudo dnf update`).
Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-825. Affected package(s): bind-main. Resolved in Red Hat advisory RHSA-2026:7412 — update the affected packages (`sudo dnf update`).
reset op_nents when zerocopy page pin fails. Red Hat rates this important (CVSS 7). Weakness: CWE-1341. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
reserve mac_len headroom when recompressed SRH grows. Red Hat rates this important (CVSS 7.5). Weakness: CWE-131. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:34094 — update the affected packages (`sudo dnf update`).
Privilege escalation and arbitrary code execution via operating system command injection. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. Affected package(s): hplip. Resolved in Red Hat advisory RHSA-2026:26297 — update the affected packages (`sudo dnf update`).
Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code Execution. Red Hat rates this important (CVSS 8.1). Weakness: CWE-416. Affected package(s): unbound-main, unbound. Resolved in Red Hat advisory RHSA-2026:23231 — update the affected packages (`sudo dnf update`).
Heap overflow and crash with multiple nsid, cookie, padding EDNS options. Red Hat rates this important (CVSS 7.5). Affected package(s): unbound-main, unbound. Resolved in Red Hat advisory RHSA-2026:23231 — update the affected packages (`sudo dnf update`).
Denial of Service due to excessive resource consumption with large DNS Resource Record Sets. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1050. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Denial of Service due to degraded resolution performance in jostle logic. Red Hat rates this important (CVSS 7.5). Weakness: CWE-911. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Denial of Service via excessive EDNS options. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1050. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS). Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): 389-ds-base, 389-ds:1.4, redhat-ds:11, redhat-ds:12, dirsrv/dirsrv-container-rhel10:1781714123. Resolved in Red Hat advisory RHSA-2026:26463 — update the affected packages (`sudo dnf update`).
Username enumeration via timing side channel. Red Hat rates this important (CVSS 8.1). Weakness: CWE-208. Affected package(s): memcached. Resolved in Red Hat advisory RHSA-2026:27862 — update the affected packages (`sudo dnf update`).
Remote memory disclosure via integer overflow in compressed-token decoding. Red Hat rates this important (CVSS 8.1). Weakness: CWE-190. Affected package(s): rsync, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:26410 — update the affected packages (`sudo dnf update`).
TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot.. Red Hat rates this important (CVSS 7.8). Weakness: CWE-367. Affected package(s): rsync, discovery/discovery-ui-rhel9:1782166952. Resolved in Red Hat advisory RHSA-2026:26410 — update the affected packages (`sudo dnf update`).
Unbound DNSSEC Validator Denial of Service via Incorrect Write Offset Counter in Chase-Reply Messages. Red Hat rates this important (CVSS 7.5). Weakness: CWE-824. Affected package(s): unbound-main, unbound. Resolved in Red Hat advisory RHSA-2026:23231 — update the affected packages (`sudo dnf update`).
Denial of Service and Information Disclosure vulnerability. Red Hat rates this important (CVSS 7.1). Weakness: CWE-125. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Heap buffer overflow vulnerability in image decoding. Red Hat rates this important (CVSS 7.1). Weakness: CWE-120. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Arbitrary code execution or denial of service via crafted HEIF/AVIF file. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.