{"id":"CVE-2018-14063","aliases":["EUVD-2018-5986","GHSA-3h7c-jwrg-47f9"],"status":"published","title":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum...","description":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01205,"percentile":0.68481,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2018-07-15T15:00:00Z","modified":"2026-06-17T01:40:35Z","products":[{"vendor":"tracto","product":"tracto"}],"references":[{"url":"https://github.com/tracto2/Tracto-ERC20/issues/1","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14063"},{"url":"https://github.com/advisories/GHSA-3h7c-jwrg-47f9"}],"sources":{"cve":[{"id":"CVE-2018-14063","description":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.","status":"published","published":"2018-07-15T15:00:00Z","modified":"2024-08-05T09:21:40.983Z","updated_at":"2026-11-02T14:35:00.589142Z"}],"euvd":[{"id":"EUVD-2018-5986","description":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.","status":"published","published":"2018-07-15T15:00:00Z","modified":"2024-08-05T09:21:40Z","updated_at":"2026-11-03T02:39:47.770292Z"}],"ghsa":[{"id":"GHSA-3h7c-jwrg-47f9","title":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum...","description":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.","status":"published","published":"2022-05-14T03:00:02Z","modified":"2023-02-02T05:07:02Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:52:24.832262Z"}],"nvd":[{"id":"CVE-2018-14063","description":"The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.","status":"published","published":"2018-07-15T15:29:00.253Z","modified":"2026-06-17T01:40:35.267Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:04:32.929986Z"}]}}