{"metadata": {"vulnerability": "cve-2021-1758", "count": 31, "kinds": {"milestone": 5, "sighting": 4, "kev": 0, "other": 22}}, "data": [{"timestamp": "2020-12-08T00:00:00Z", "date_only": false, "value": "2020-12-08T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2021-1758", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.6.date", "linked_record": true}, {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "other", "label": "Last revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "last_revision_date", "linked_record": true}, {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "revisions.0.revision_date", "linked_record": true}, {"timestamp": "2021-02-02T16:06:51Z", "date_only": false, "value": "2021-02-02T16:06:51", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.3.date", "linked_record": true}, {"timestamp": "2021-02-02T16:08:18Z", "date_only": false, "value": "2021-02-02T16:08:18", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.4.date", "linked_record": true}, {"timestamp": "2021-02-02T16:08:52Z", "date_only": false, "value": "2021-02-02T16:08:52", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.5.date", "linked_record": true}, {"timestamp": "2021-02-02T16:09:50Z", "date_only": false, "value": "2021-02-02T16:09:50", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.2.date", "linked_record": true}, {"timestamp": "2021-04-02T00:00:00Z", "date_only": false, "value": "2021-04-02T00:00:00", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.0.date", "linked_record": true}, {"timestamp": "2021-04-02T17:52:43Z", "date_only": false, "value": "2021-04-02T17:52:43.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-1758", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2021-04-02T17:52:43Z", "date_only": false, "value": "2021-04-02T17:52:43.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / apple", "record": "cve-2021-1758", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2021-04-02T18:15:00Z", "date_only": false, "value": "2021-04-02T18:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-QVHH-FQJQ-7QJG", "record": "GHSA-QVHH-FQJQ-7QJG", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2021-04-02T18:15:00Z", "date_only": false, "value": "2021-04-02T18:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-1758", "record": "GSD-2021-1758", "field": "namespaces.nvd.nist.gov.publishedDate", "linked_record": true}, {"timestamp": "2021-04-02T18:15:20.060Z", "date_only": false, "value": "2021-04-02T18:15:20.060000", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_release_date.data.7.date", "linked_record": true}, {"timestamp": "2021-04-02T18:15:20.060Z", "date_only": false, "value": "2021-04-02T18:15:20.060", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-1758", "record": "FKIE_CVE-2021-1758", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2021-04-09T00:00:00Z", "date_only": false, "value": "2021-04-09T00:00:00", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_update_date.data.0.date", "linked_record": true}, {"timestamp": "2021-04-09T18:19:00Z", "date_only": false, "value": "2021-04-09T18:19Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-1758", "record": "GSD-2021-1758", "field": "namespaces.nvd.nist.gov.lastModifiedDate", "linked_record": true}, {"timestamp": "2021-04-13T00:00:00Z", "date_only": false, "value": "2021-04-13T00:00:00", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_update_date.data.2.date", "linked_record": true}, {"timestamp": "2022-05-24T17:46:17Z", "date_only": false, "value": "2022-05-24T17:46:17Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-QVHH-FQJQ-7QJG", "record": "GHSA-QVHH-FQJQ-7QJG", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2022-05-24T17:46:17Z", "date_only": false, "value": "2022-05-24T17:46:17Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-QVHH-FQJQ-7QJG", "record": "GHSA-QVHH-FQJQ-7QJG", "field": "modified", "linked_record": true}, {"timestamp": "2023-11-29T08:28:19Z", "date_only": false, "value": "2023-11-29T08:28:19.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/arpsyndicate/700", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "4706c4c7-6038-42bf-b08a-829aa7973417", "content": "#ExploitObserverAlert\n\nCVE-2021-1758\n\nDESCRIPTION: Exploit Observer has 6 entries related to CVE-2021-1758. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.\n\nFIRST-EPSS: 0.002840000\nNVD-IS: 5.9\nNVD-ES: 1.8", "url": "https://t.me/arpsyndicate/700"}, {"timestamp": "2023-12-13T01:23:23.873Z", "date_only": false, "value": "2023-12-13T01:23:23.873364Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-1758", "record": "GSD-2021-1758", "field": "gsd.osvSchema.modified", "linked_record": true}, {"timestamp": "2024-08-03T16:18:11.569Z", "date_only": false, "value": "2024-08-03T16:18:11.569Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2021-1758", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-03T16:18:11.569Z", "date_only": false, "value": "2024-08-03T16:18:11.569Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2021-1758", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-09-25T16:50:25Z", "date_only": false, "value": "2024-09-25T16:50:25.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3225", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "f21f107b-a67d-4e83-9553-7cf94accff72", "content": "#exploit\nmacOS/iOS FontParser Exploits\n\n1. CVE-2021-1758:\nmacOS 10.15/iOS CoreText Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1758\n\n2. CVE-2021-1790:\nmacOS 10.15/iOS CoreText libhvf Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1790", "url": "https://t.me/CyberSecurityTechnologies/3225", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2024-11-21T05:45:02.930Z", "date_only": false, "value": "2024-11-21T05:45:02.930000", "kind": "other", "label": "Date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "sources_update_date.data.3.date", "linked_record": true}, {"timestamp": "2024-11-23T19:32:09.773Z", "date_only": false, "value": "2024-11-23T19:32:09.773000Z", "kind": "other", "label": "Last update date", "source": "variot \u00b7 VAR-202104-0637", "record": "VAR-202104-0637", "field": "last_update_date", "linked_record": true}, {"timestamp": "2026-06-17T03:32:30.270Z", "date_only": false, "value": "2026-06-17T03:32:30.270", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-1758", "record": "FKIE_CVE-2021-1758", "field": "lastModified", "linked_record": true}, {"timestamp": "2026-09-01T17:00:52.733Z", "date_only": false, "value": "2026-09-01T17:00:52.733443Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cissp/3052", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "729965c0-3903-4808-81e4-a21b173c9d35", "url": "https://t.me/cissp/3052"}, {"timestamp": "2026-09-11T08:00:07.564Z", "date_only": false, "value": "2026-09-11T08:00:07.564229Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cissp/3052", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "8d388bc8-b2d3-48e1-b7ef-9941026c4d0c", "url": "https://t.me/cissp/3052", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}], "metrics": {"as_of": "2026-11-08T10:47:53.022Z", "anchors": {"origin": {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, "exploit_publication": {"timestamp": "2024-09-25T16:50:25Z", "date_only": false, "value": "2024-09-25T16:50:25.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3225", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "f21f107b-a67d-4e83-9553-7cf94accff72", "content": "#exploit\nmacOS/iOS FontParser Exploits\n\n1. CVE-2021-1758:\nmacOS 10.15/iOS CoreText Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1758\n\n2. CVE-2021-1790:\nmacOS 10.15/iOS CoreText libhvf Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1790", "url": "https://t.me/CyberSecurityTechnologies/3225", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": true, "seconds": 115059025.0, "hours": 31960.840277777777, "days": 1331.7016782407406, "min_seconds": 114972625.0, "max_seconds": 115059025.0, "approximate": true, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, "end": {"timestamp": "2024-09-25T16:50:25Z", "date_only": false, "value": "2024-09-25T16:50:25.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3225", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "f21f107b-a67d-4e83-9553-7cf94accff72", "content": "#exploit\nmacOS/iOS FontParser Exploits\n\n1. CVE-2021-1758:\nmacOS 10.15/iOS CoreText Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1758\n\n2. CVE-2021-1790:\nmacOS 10.15/iOS CoreText libhvf Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1790", "url": "https://t.me/CyberSecurityTechnologies/3225", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 181910873.02288, "hours": 50530.79806191111, "days": 2105.4499192462963, "min_seconds": 181824473.02288, "max_seconds": 181910873.02288, "approximate": true, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2021-02-02T00:00:00Z", "date_only": false, "value": "2021-02-02T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-072", "record": "CERTFR-2021-AVI-072", "field": "initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, "end": {"timestamp": "2026-11-08T10:47:53.022Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 66851848.02288, "hours": 18569.957784133334, "days": 773.7482410055555, "min_seconds": 66851848.02288, "max_seconds": 66851848.02288, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2024-09-25T16:50:25Z", "date_only": false, "value": "2024-09-25T16:50:25.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/3225", "record": "CVE-2021-1758", "field": "creation_timestamp", "uuid": "f21f107b-a67d-4e83-9553-7cf94accff72", "content": "#exploit\nmacOS/iOS FontParser Exploits\n\n1. CVE-2021-1758:\nmacOS 10.15/iOS CoreText Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1758\n\n2. CVE-2021-1790:\nmacOS 10.15/iOS CoreText libhvf Out-Of-Bounds Read\nhttps://starlabs.sg/advisories/21-1790", "url": "https://t.me/CyberSecurityTechnologies/3225", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-08T10:47:53.022Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}