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Red Hat Enterprise Linux 8/unbound

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ReportProductEcosystemSeverityFix statusLast updated
unbound: uninitialized memory accesses leads to crash via a crafted NOTIFY queryCVE-2019-16866 Red Hat Enterprise Linux 8/unbound Red Hat Low No fix reported
unbound: DNSBomb vulnerabilityCVE-2024-33655 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Low No fix reported
unbound: Heap-Buffer-Overflow in UnboundCVE-2024-43168 Red Hat Enterprise Linux 10/unboundRed Hat Enterprise Linux 6/unbound Red Hat Low No fix reported
unbound: NULL Pointer Dereference in UnboundCVE-2024-43167 Red Hat Enterprise Linux 10/unboundRed Hat Enterprise Linux 6/unbound Red Hat Low No fix reported
unbound: Unbound domain hijacking via promiscuous recordsCVE-2025-11411 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound DNSSEC Validator NSEC3 Hash Calculation Limit Bypass via Negative Cache Code Path Leading to DoSCVE-2026-42923 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound DNS Cache Poisoning via Promiscuous Additional Section RRSet AcceptanceCVE-2026-42960 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound: Denial of Service due to locking inconsistency during RPZ XFR reloadCVE-2026-44608 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound DNSSEC Validator Use-After-Free via Deep Copy Pointer Overwrite Leading to DoS and Possible Remote Code ExecutionCVE-2026-33278 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat High No fix reported
unbound: Packet of death with DNSCryptCVE-2026-32792 Red Hat Enterprise Linux 10/unboundRed Hat Enterprise Linux 6/unbound Red Hat Medium No fix reported
unbound: Unbound: DNS cache integrity issueCVE-2026-42955 Red Hat Enterprise Linux 8/unboundRed Hat OpenShift Container Platform 4/openshift/ose-rhel-coreos-8 Red Hat Low No fix reported
libunbound: libunbound: Denial of Service via specially crafted network trafficCVE-2026-44621 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound: Denial of Service due to 'harden-below-nxdomain' logic bypassCVE-2026-44687 Red Hat Enterprise Linux 8/unboundRed Hat OpenShift Container Platform 4/openshift/ose-rhel-coreos-9 Red Hat Low No fix reported
unbound: Unbound: Information disclosure via DNSSEC wildcard replayCVE-2026-46582 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Low No fix reported
unbound: Unbound: Denial of Service due to freed pointer dereference in DNS-over-TLS handlingCVE-2026-50046 Red Hat Enterprise Linux 8/unboundRed Hat OpenShift Container Platform 4/openshift/ose-rhel-coreos-8 Red Hat Low No fix reported
unbound: Unbound: Insecure DNS redirection via spoofed DNS answersCVE-2026-50243 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Low No fix reported
unbound: Unbound: DNS response policy replacement via hostname spoofingCVE-2026-50248 Red Hat Enterprise Linux 8/unboundRed Hat OpenShift Container Platform 4/openshift/ose-rhel-coreos-8 Red Hat Medium No fix reported
unbound: NLnet Labs Unbound: Denial of Service via crafted DNS glue recordsCVE-2026-50251 Red Hat Enterprise Linux 6/unboundRed Hat Enterprise Linux 7/unbound Red Hat Medium No fix reported
unbound: Unbound: Information disclosure due to local policy bypass via unbound-controlCVE-2026-55708 Red Hat Enterprise Linux 7/unboundRed Hat Enterprise Linux 8/unbound Red Hat Low No fix reported
unbound: Unbound: Denial of Service via crafted DNS responses with expired recordsCVE-2026-55717 Red Hat Enterprise Linux 8/unboundRed Hat OpenShift Container Platform 4/openshift/ose-rhel-coreos-9 Red Hat Medium No fix reported