CVE-2026-62994

{"id": "CVE-2026-62994", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-62994", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-17T11:12:32.909197Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "coredns", "product": "coredns", "versions": [{"status": "affected", "version": ">= 1.9.4, < 1.14.5"}]}]}], "published": "2026-07-16T20:16:47.657", "references": [{"url": "https://github.com/coredns/coredns/commit/ab318db7b4a3a19273852ed627f54888198c8efb", "source": "security-advisories@github.com"}, {"url": "https://github.com/coredns/coredns/pull/8207", "source": "security-advisories@github.com"}, {"url": "https://github.com/coredns/coredns/releases/tag/v1.14.5", "source": "security-advisories@github.com"}, {"url": "https://github.com/coredns/coredns/security/advisories/GHSA-74w3-63xv-x9mv", "source": "security-advisories@github.com"}, {"url": "https://github.com/coredns/coredns/security/advisories/GHSA-74w3-63xv-x9mv", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-248"}, {"lang": "en", "value": "CWE-755"}]}], "descriptions": [{"lang": "en", "value": "CoreDNS is a DNS server written in Go. From 1.9.4 until 1.14.5, a network DNS client allowed to request AXFR for a CoreDNS zone can trigger a panic when CoreDNS is configured with k8s_external headless-service zone transfers and Kubernetes contains a headless service endpoint with no declared ports; plugin/kubernetes/object/endpoint.go creates Port: -1, plugin/k8s_external/msg_to_dns.go skips that service, plugin/k8s_external/transfer.go sends an empty []dns.RR batch, and plugin/transfer/transfer.go indexes records[0] without checking the batch is non-empty. This issue is fixed in version 1.14.5."}], "lastModified": "2026-07-17T18:33:49.403", "sourceIdentifier": "security-advisories@github.com"}