{"items":[{"id":"NVI-00011809","kind":"vulnerability","title":"CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-74w3-63xv-x9mv","CVE-2026-62994"],"plain_summary":"GitHub lists this reviewed advisory for github.com/coredns/coredns. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0209cba3f431030ac63167866b6db591"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:26:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3615ba98437cd74f63bdf9ffe281cca1"},{"kind":"CVSS","as_of":"2026-07-22T20:14:36.067Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-8400df0fc983260b64952bbfee4427e4"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39956. Missing scores are unknown.","source_id":"sr-0209cba3f431030ac63167866b6db591"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3615ba98437cd74f63bdf9ffe281cca1","url":"https://github.com/advisories/GHSA-74w3-63xv-x9mv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-74w3-63xv-x9mv","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-8400df0fc983260b64952bbfee4427e4","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62994","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-62994","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T02:47:38.696Z"},{"id":"sr-0209cba3f431030ac63167866b6db591","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-62994","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.393Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3615ba98437cd74f63bdf9ffe281cca1"],"technology":"github.com/coredns/coredns","known_exclusions":[],"conditions_summary":"### Summary\n\nA 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. The built-in `k8s_external` transferer can emit an empty `[]dns.RR` batch, and the shared `transfer` plugin indexes `records[0]` without checking that the batch is non-empty. In normal CoreDNS mode the panic is recovered and returned as `SERVFAIL`, but repeated triggering can disrupt requests and amplify panic logging; if the `debug` plugin disables recovery, the same path can crash the CoreDNS process.\n\n### Details\n\n`plugin/transfer/transfer.go` assumes that every `Transferer` emits only non-empty `[]dns.RR` batches. During AXFR/IXFR response generation it indexes `records[0]` without checking the slice length:\n\n- `plugin/transfer/transfer.go:129-131`\n\n```go\nfor records := range pchan {\n    if x, ok := records[0].(*dns.SOA); ok && soa == nil {\n        soa = x\n    }\n```\n\nThe built-in `k8s_external` transferer violates that contract for headless services whose endpoints have no declared ports. `plugin/k8s_external/transfer.go` sends th","public_affected_ranges":[">= 1.9.4, <= 1.14.4"]}],"null_published_at":"2026-11-08T15:11:49.384Z","source_updated_at":"2026-10-16T19:26:43.000Z","source_disclosed_at":"2026-10-16T19:26:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011809","kind":"vulnerability","title":"CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-74w3-63xv-x9mv","CVE-2026-62994"],"plain_summary":"GitHub lists this reviewed advisory for github.com/coredns/coredns. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0209cba3f431030ac63167866b6db591"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:26:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3615ba98437cd74f63bdf9ffe281cca1"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39956. Missing scores are unknown.","source_id":"sr-0209cba3f431030ac63167866b6db591"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3615ba98437cd74f63bdf9ffe281cca1","url":"https://github.com/advisories/GHSA-74w3-63xv-x9mv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-74w3-63xv-x9mv","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-0209cba3f431030ac63167866b6db591","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-62994","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.393Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3615ba98437cd74f63bdf9ffe281cca1"],"technology":"github.com/coredns/coredns","known_exclusions":[],"conditions_summary":"### Summary\n\nA 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. The built-in `k8s_external` transferer can emit an empty `[]dns.RR` batch, and the shared `transfer` plugin indexes `records[0]` without checking that the batch is non-empty. In normal CoreDNS mode the panic is recovered and returned as `SERVFAIL`, but repeated triggering can disrupt requests and amplify panic logging; if the `debug` plugin disables recovery, the same path can crash the CoreDNS process.\n\n### Details\n\n`plugin/transfer/transfer.go` assumes that every `Transferer` emits only non-empty `[]dns.RR` batches. During AXFR/IXFR response generation it indexes `records[0]` without checking the slice length:\n\n- `plugin/transfer/transfer.go:129-131`\n\n```go\nfor records := range pchan {\n    if x, ok := records[0].(*dns.SOA); ok && soa == nil {\n        soa = x\n    }\n```\n\nThe built-in `k8s_external` transferer violates that contract for headless services whose endpoints have no declared ports. `plugin/k8s_external/transfer.go` sends th","public_affected_ranges":[">= 1.9.4, <= 1.14.4"]}],"null_published_at":"2026-11-07T07:07:42.523Z","source_updated_at":"2026-10-16T19:26:43.000Z","source_disclosed_at":"2026-10-16T19:26:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011809","kind":"vulnerability","title":"CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-74w3-63xv-x9mv","CVE-2026-62994"],"plain_summary":"GitHub lists this reviewed advisory for github.com/coredns/coredns. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-576bc0588ba5b5bc31429370d1a73168"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:26:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3615ba98437cd74f63bdf9ffe281cca1"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39831. Missing scores are unknown.","source_id":"sr-576bc0588ba5b5bc31429370d1a73168"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3615ba98437cd74f63bdf9ffe281cca1","url":"https://github.com/advisories/GHSA-74w3-63xv-x9mv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-74w3-63xv-x9mv","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"},{"id":"sr-576bc0588ba5b5bc31429370d1a73168","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-62994","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.084Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3615ba98437cd74f63bdf9ffe281cca1"],"technology":"github.com/coredns/coredns","known_exclusions":[],"conditions_summary":"### Summary\n\nA 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. The built-in `k8s_external` transferer can emit an empty `[]dns.RR` batch, and the shared `transfer` plugin indexes `records[0]` without checking that the batch is non-empty. In normal CoreDNS mode the panic is recovered and returned as `SERVFAIL`, but repeated triggering can disrupt requests and amplify panic logging; if the `debug` plugin disables recovery, the same path can crash the CoreDNS process.\n\n### Details\n\n`plugin/transfer/transfer.go` assumes that every `Transferer` emits only non-empty `[]dns.RR` batches. During AXFR/IXFR response generation it indexes `records[0]` without checking the slice length:\n\n- `plugin/transfer/transfer.go:129-131`\n\n```go\nfor records := range pchan {\n    if x, ok := records[0].(*dns.SOA); ok && soa == nil {\n        soa = x\n    }\n```\n\nThe built-in `k8s_external` transferer violates that contract for headless services whose endpoints have no declared ports. `plugin/k8s_external/transfer.go` sends th","public_affected_ranges":[">= 1.9.4, <= 1.14.4"]}],"null_published_at":"2026-11-01T22:58:19.129Z","source_updated_at":"2026-10-16T19:26:43.000Z","source_disclosed_at":"2026-10-16T19:26:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T23:14:14.588Z"},{"id":"NVI-00011809","kind":"vulnerability","title":"CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-74w3-63xv-x9mv","CVE-2026-62994"],"plain_summary":"GitHub lists this reviewed advisory for github.com/coredns/coredns. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-3615ba98437cd74f63bdf9ffe281cca1"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-16T19:26:43.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3615ba98437cd74f63bdf9ffe281cca1"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-3615ba98437cd74f63bdf9ffe281cca1","url":"https://github.com/advisories/GHSA-74w3-63xv-x9mv","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-74w3-63xv-x9mv","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:14.588Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3615ba98437cd74f63bdf9ffe281cca1"],"technology":"github.com/coredns/coredns","known_exclusions":[],"conditions_summary":"### Summary\n\nA 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. The built-in `k8s_external` transferer can emit an empty `[]dns.RR` batch, and the shared `transfer` plugin indexes `records[0]` without checking that the batch is non-empty. In normal CoreDNS mode the panic is recovered and returned as `SERVFAIL`, but repeated triggering can disrupt requests and amplify panic logging; if the `debug` plugin disables recovery, the same path can crash the CoreDNS process.\n\n### Details\n\n`plugin/transfer/transfer.go` assumes that every `Transferer` emits only non-empty `[]dns.RR` batches. During AXFR/IXFR response generation it indexes `records[0]` without checking the slice length:\n\n- `plugin/transfer/transfer.go:129-131`\n\n```go\nfor records := range pchan {\n    if x, ok := records[0].(*dns.SOA); ok && soa == nil {\n        soa = x\n    }\n```\n\nThe built-in `k8s_external` transferer violates that contract for headless services whose endpoints have no declared ports. `plugin/k8s_external/transfer.go` sends th","public_affected_ranges":[">= 1.9.4, <= 1.14.4"]}],"null_published_at":"2026-11-01T01:03:56.607Z","source_updated_at":"2026-10-16T19:26:43.000Z","source_disclosed_at":"2026-10-16T19:26:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T23:14:14.588Z"}],"next_cursor":null,"snapshot_revision":"42594"}