{"metadata": {"vulnerability": "CVE-2020-21677", "count": 16, "kinds": {"milestone": 5, "sighting": 1, "kev": 0, "other": 10}}, "data": [{"timestamp": "2020-08-13T00:00:00Z", "date_only": false, "value": "2020-08-13T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2020-21677", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-08-10T20:19:47Z", "date_only": false, "value": "2021-08-10T20:19:47.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2020-21677", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-08-10T20:19:47Z", "date_only": false, "value": "2021-08-10T20:19:47.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "CVE-2020-21677", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-08-10T21:15:00Z", "date_only": false, "value": "2021-08-10T21:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-J9FQ-4P85-2PQH", "record": "GHSA-J9FQ-4P85-2PQH", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-08-10T21:15:00Z", "date_only": false, "value": "2021-08-10T21:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-21677", "record": "UBUNTU-CVE-2020-21677", "field": "published"}, {"timestamp": "2021-08-10T21:15:00Z", "date_only": false, "value": "2021-08-10T21:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2020-21677", "record": "GSD-2020-21677", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-08-10T21:15:07.447Z", "date_only": false, "value": "2021-08-10T21:15:07.447", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-21677", "record": "FKIE_CVE-2020-21677", "field": "published"}, {"timestamp": "2021-08-11T00:37:36Z", "date_only": false, "value": "2021-08-11T00:37:36.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/27098", "record": "CVE-2020-21677", "field": "creation_timestamp", "uuid": "4bdfce3e-8e34-463a-89e1-98aa4ed9bcef", "content": "\u203c CVE-2020-21677 \u203c\n\nA heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/27098"}, {"timestamp": "2021-08-17T16:30:00Z", "date_only": false, "value": "2021-08-17T16:30Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2020-21677", "record": "GSD-2020-21677", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2022-05-24T19:10:30Z", "date_only": false, "value": "2022-05-24T19:10:30Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-J9FQ-4P85-2PQH", "record": "GHSA-J9FQ-4P85-2PQH", "field": "published"}, {"timestamp": "2023-12-13T01:21:45.680Z", "date_only": false, "value": "2023-12-13T01:21:45.680183Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2020-21677", "record": "GSD-2020-21677", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-08-04T14:30:33.580Z", "date_only": false, "value": "2024-08-04T14:30:33.580Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2020-21677", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-04T14:30:33.580Z", "date_only": false, "value": "2024-08-04T14:30:33.580Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2020-21677", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-04-24T15:32:16Z", "date_only": false, "value": "2026-04-24T15:32:16Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-J9FQ-4P85-2PQH", "record": "GHSA-J9FQ-4P85-2PQH", "field": "modified"}, {"timestamp": "2026-05-20T14:52:20Z", "date_only": false, "value": "2026-05-20T14:52:20Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2020-21677", "record": "UBUNTU-CVE-2020-21677", "field": "modified"}, {"timestamp": "2026-06-17T03:03:51.470Z", "date_only": false, "value": "2026-06-17T03:03:51.470", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2020-21677", "record": "FKIE_CVE-2020-21677", "field": "lastModified"}]}