{"vulnerability": "CVE-2021-36159", "sightings": [{"uuid": "8ee86c92-f894-4cfa-92ff-7058d567a97e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://t.me/cibsecurity/26745", "content": "\u203c CVE-2021-36159 \u203c\n\nlibfetch before 2021-07-26, as used in apk-tools, xbps, and other products, mishandles numeric strings for the FTP and HTTP protocols. The FTP passive mode implementation allows an out-of-bounds read because strtol is used to parse the relevant numbers into address bytes. It does not check if the line ends prematurely. If it does, the for-loop condition checks for the '\\0' terminator one byte too late.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-03T18:27:58.000000Z"}, {"uuid": "e3c33671-7dc2-47be-a2f4-3497e2060031", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/56f8d2ecc5da5c10bf8806441d83d32d", "content": "", "creation_timestamp": "2026-07-24T23:24:28.066131Z"}, {"uuid": "c2e4f0ed-4eaf-408f-998d-234407eb0c2a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/aba9a854776ac8dfd13107630088c3d8", "content": "", "creation_timestamp": "2026-07-24T23:24:27.696056Z"}, {"uuid": "23c2f330-dca6-4a01-b571-3fbf4803abaf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/859e6bf0e64ab279863b000e82acb54c", "content": "", "creation_timestamp": "2026-07-24T23:24:27.273770Z"}, {"uuid": "e7ad93a0-c3a5-44ad-a6e7-7c72c1173703", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/56f8d2ecc5da5c10bf8806441d83d32d", "content": "", "creation_timestamp": "2026-07-25T00:00:19.188229Z"}, {"uuid": "320d296e-68d2-4f58-8ddc-e6f52c085ebd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/aba9a854776ac8dfd13107630088c3d8", "content": "", "creation_timestamp": "2026-07-25T00:00:18.826076Z"}, {"uuid": "25ce5f5d-cbc1-4200-a1ce-f0bce4df029f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-36159", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/859e6bf0e64ab279863b000e82acb54c", "content": "", "creation_timestamp": "2026-07-25T00:00:18.479182Z"}]}