{"metadata": {"vulnerability": "CVE-2026-121997", "count": 18, "kinds": {"milestone": 5, "sighting": 1, "kev": 0, "other": 12}}, "data": [{"timestamp": "2026-10-21T08:41:10Z", "date_only": false, "value": "2026-10-21T08:41:10.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / redhat", "record": "CVE-2026-121997", "field": "containers.cna.timeline.0.time", "text": "Reported to Red Hat."}, {"timestamp": "2026-11-04T13:28:12.839Z", "date_only": false, "value": "2026-11-04T13:28:12.839Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-121997", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-11-05T00:00:00Z", "date_only": false, "value": "2026-11-05T00:00:00+00:00", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-121997", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-11-05T00:00:00Z", "date_only": false, "value": "2026-11-05T00:00:00+00:00", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-121997", "record": "FKIE_CVE-2026-121997", "field": "metrics.ssvcV203.0.ssvcData.timestamp", "linked_record": true}, {"timestamp": "2026-11-05T14:29:09.669Z", "date_only": false, "value": "2026-11-05T14:29:09.669Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / redhat", "record": "CVE-2026-121997", "field": "containers.cna.datePublic", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-11-05T14:29:09.669Z", "date_only": false, "value": "2026-11-05T14:29:09.669Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / redhat", "record": "CVE-2026-121997", "field": "containers.cna.timeline.1.time", "text": "Made public."}, {"timestamp": "2026-11-05T16:08:54.309Z", "date_only": false, "value": "2026-11-05T16:08:54.309Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-121997", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-11-05T16:26:29.601Z", "date_only": false, "value": "2026-11-05T16:26:29.601666Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117564767285496638", "record": "CVE-2026-121997", "field": "creation_timestamp", "uuid": "1fb51fac-5d43-4d70-a163-27c0f77ed521", "content": "CVE-2026-121997 Gdb: gdbserver: heap buffer overflow in cmd_qtdpsrc via qtdpsrc declared/actual length mismatch A heap buffer overflow in gdbserver's QTDPsrc packet handler allows an unauthenticated remote attacker to achieve native code execution in the gdbserver process. 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