{"id":"CVE-2018-3973","aliases":["EUVD-2018-15759","GHSA-9455-rmcr-qm22"],"status":"published","title":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version...","description":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.01893,"percentile":0.7973,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2019-02-06T21:00:00Z","modified":"2026-06-17T01:58:08Z","products":[{"vendor":"canvasgfx","product":"canvas_draw"},{"vendor":"talos","product":"acd systems"}],"references":[{"url":"http://www.securityfocus.com/bid/106809","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3973"},{"url":"https://github.com/advisories/GHSA-9455-rmcr-qm22"}],"sources":{"cve":[{"id":"CVE-2018-3973","description":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.","status":"published","published":"2019-02-06T21:00:00Z","modified":"2024-09-16T22:14:14.2Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2018-15759","description":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.","status":"published","published":"2019-02-06T21:00:00Z","modified":"2024-09-16T22:14:14Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:04.822795Z"}],"ghsa":[{"id":"GHSA-9455-rmcr-qm22","title":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version...","description":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.","status":"published","published":"2022-05-13T01:01:49Z","modified":"2023-02-01T05:02:26Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:49:55.031123Z"}],"nvd":[{"id":"CVE-2018-3973","description":"An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.","status":"published","published":"2019-02-06T21:29:00.237Z","modified":"2026-06-17T01:58:08.553Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:53.728218Z"}]}}