{"metadata": {"vulnerability": "CVE-2021-21847", "count": 21, "kinds": {"milestone": 5, "sighting": 4, "kev": 0, "other": 12}}, "data": [{"timestamp": "2021-01-04T00:00:00Z", "date_only": false, "value": "2021-01-04T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-21847", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-08-18T12:25:31Z", "date_only": false, "value": "2021-08-18T12:25:31.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-21847", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-08-18T13:15:00Z", "date_only": false, "value": "2021-08-18T13:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-QJC4-GGF7-JC8J", "record": "GHSA-QJC4-GGF7-JC8J", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-08-18T13:15:00Z", "date_only": false, "value": "2021-08-18T13:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-21847", "record": "UBUNTU-CVE-2021-21847", "field": "published"}, {"timestamp": "2021-08-18T13:15:00Z", "date_only": false, "value": "2021-08-18T13:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-21847", "record": "GSD-2021-21847", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-08-18T13:15:07.813Z", "date_only": false, "value": "2021-08-18T13:15:07.813", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-21847", "record": "FKIE_CVE-2021-21847", "field": "published"}, {"timestamp": "2021-08-18T16:16:46Z", "date_only": false, "value": "2021-08-18T16:16:46.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/27500", "record": "CVE-2021-21847", "field": "creation_timestamp", "uuid": "2349951f-4b3d-4b88-bd6a-d83446868ea4", "content": "\u203c CVE-2021-21847 \u203c\n\nMultiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input in \u00e2\u20ac\u0153stts\u00e2\u20ac\ufffd decoder can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/27500"}, {"timestamp": "2021-08-19T00:00:00Z", "date_only": true, "value": "2021-08-19", "kind": "other", "label": "Submit Time", "source": "cnvd \u00b7 CNVD-2021-64083", "record": "CNVD-2021-64083", "field": "submitTime"}, {"timestamp": "2021-08-23T00:00:00Z", "date_only": true, "value": "2021-08-23", "kind": "other", "label": "Open Time", "source": "cnvd \u00b7 CNVD-2021-64083", "record": "CNVD-2021-64083", "field": "openTime"}, {"timestamp": "2022-04-19T15:35:28Z", "date_only": false, "value": "2022-04-19T15:35:28.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / talos", "record": "CVE-2021-21847", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2022-05-24T22:28:54Z", "date_only": false, "value": "2022-05-24T22:28:54Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-QJC4-GGF7-JC8J", "record": "GHSA-QJC4-GGF7-JC8J", "field": "published"}, {"timestamp": "2022-07-29T14:09:00Z", "date_only": false, "value": "2022-07-29T14:09Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-21847", "record": "GSD-2021-21847", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2022-07-30T00:00:41Z", "date_only": false, "value": "2022-07-30T00:00:41Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-QJC4-GGF7-JC8J", "record": "GHSA-QJC4-GGF7-JC8J", "field": "modified"}, {"timestamp": "2023-12-13T01:23:11.319Z", "date_only": false, "value": "2023-12-13T01:23:11.319856Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-21847", "record": "GSD-2021-21847", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-03-29T14:38:26Z", "date_only": false, "value": "2024-03-29T14:38:26.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/4219", "record": "CVE-2021-21847", "field": "creation_timestamp", "uuid": "877a4df4-e587-4d0f-9591-8c3d1b253719", "content": "#exploit\nPoCs for exploiting CVE-2021-21847, \nCVE-2021-21853, CVE-2021-21845, \nCVE-2021-21846, CVE-2021-21844,\nCVE-2021-21839:\nhttps://github.com/AlAIAL90/CVE-2021-21847\nhttps://github.com/AlAIAL90/CVE-2021-21853\nhttps://github.com/AlAIAL90/CVE-2021-21845\nhttps://github.com/AlAIAL90/CVE-2021-21846\nhttps://github.com/AlAIAL90/CVE-2021-21844\nhttps://github.com/AlAIAL90/CVE-2021-21839\n// Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project", "url": "https://t.me/CyberSecurityTechnologies/4219"}, {"timestamp": "2024-08-03T18:23:29.614Z", "date_only": false, "value": "2024-08-03T18:23:29.614Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-21847", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-03T18:23:29.614Z", "date_only": false, "value": "2024-08-03T18:23:29.614Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-21847", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-04-22T07:39:55Z", "date_only": false, "value": "2026-04-22T07:39:55Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-21847", "record": "UBUNTU-CVE-2021-21847", "field": "modified"}, {"timestamp": "2026-06-17T03:36:13.627Z", "date_only": false, "value": "2026-06-17T03:36:13.627", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-21847", "record": "FKIE_CVE-2021-21847", "field": "lastModified"}, {"timestamp": "2026-09-01T17:00:41.240Z", "date_only": false, "value": "2026-09-01T17:00:41.240503Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cissp/4288", "record": "CVE-2021-21847", "field": "creation_timestamp", "uuid": "c8a63a85-c129-416b-bf13-1b384f499df5", "url": "https://t.me/cissp/4288"}, {"timestamp": "2026-09-10T20:00:10.484Z", "date_only": false, "value": "2026-09-10T20:00:10.484745Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/cissp/4288", "record": "CVE-2021-21847", "field": "creation_timestamp", "uuid": "83cde99e-e621-4182-808d-ded7b891bb21", "url": "https://t.me/cissp/4288"}]}