CVE-2026-3592

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If an authoritative server can be induced to look up an attack domain (e.g., if loading a zone from an untrusted source), it may be possible to trigger the issue."}]}], "workarounds": [{"lang": "en", "value": "No workarounds known."}], "exploits": [{"lang": "en", "value": "We are not aware of any active exploits."}], "solutions": [{"lang": "en", "value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.18.49, 9.20.23, 9.21.22, 9.18.49-S1, or 9.20.23-S1."}], "credits": [{"lang": "en", "value": "ISC would like to thank Shuhan Zhang from Tsinghua University for bringing this vulnerability to our attention."}], "references": [{"url": "https://kb.isc.org/docs/cve-2026-3592", "name": "CVE-2026-3592", "tags": ["vendor-advisory"]}, {"url": "https://downloads.isc.org/isc/bind9/9.18.49", "tags": ["patch"]}, {"url": "https://downloads.isc.org/isc/bind9/9.20.23", "tags": ["patch"]}, {"url": "https://downloads.isc.org/isc/bind9/9.21.22", "tags": ["patch"]}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-20T13:42:13.661954Z", "id": "CVE-2026-3592", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-20T13:42:21.764Z"}}]}}

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{"bugzilla": {"description": "bind: Amplification vulnerabilities via self-pointed glue records", "id": "2479768", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2479768"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in BIND resolvers. A remote attacker could exploit this vulnerability by sending a query to a specially crafted zone. This would cause the resolver to consume disproportionate resources, leading to a denial of service (DoS) due to resource exhaustion."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-3592", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "bind9.16", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "bind", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "bind9.18", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "dhcp", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "bind", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-05-26T03:44:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-3592\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-3592"], "statement": "Moderate: This vulnerability in BIND resolvers allows for an amplified resource consumption attack. A specially crafted DNS zone can cause a Red Hat system acting as a resolver to consume excessive resources, potentially leading to a denial of service.", "threat_severity": "Moderate"}

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