{"id":"CVE-2018-3999","aliases":["EUVD-2018-15785","GHSA-x848-36vw-v4cv"],"status":"published","title":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis...","description":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause a length to be miscalculated and underflow. This length is then treated as unsigned and then used in a copying operation. Due to the length underflow, the application will then write outside the bounds of a stack buffer, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.","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":"2026-11-09","score":0.00889,"percentile":0.59594,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191","CWE-681","CWE-787"],"published":"2018-10-01T20:00:00Z","modified":"2026-06-17T01:58:11Z","products":[{"vendor":"atlantiswordprocessor","product":"atlantis_word_processor"},{"vendor":"talos","product":"atlantis word processor"},{"vendor":"the atlantis word processor team","product":"atlantis word processor"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2018-0667","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3999"},{"url":"https://github.com/advisories/GHSA-x848-36vw-v4cv"}],"sources":{"cve":[{"id":"CVE-2018-3999","description":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause a length to be miscalculated and underflow. This length is then treated as unsigned and then used in a copying operation. Due to the length underflow, the application will then write outside the bounds of a stack buffer, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.","status":"published","published":"2018-10-01T20:00:00Z","modified":"2024-09-17T04:29:24.304Z","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-2018-15785","description":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause a length to be miscalculated and underflow. This length is then treated as unsigned and then used in a copying operation. Due to the length underflow, the application will then write outside the bounds of a stack buffer, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.","status":"published","published":"2018-10-01T20:00:00Z","modified":"2024-09-17T04:29:24Z","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":"2026-11-03T00:28:22.706109Z"}],"ghsa":[{"id":"GHSA-x848-36vw-v4cv","title":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis...","description":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause a length to be miscalculated and underflow. This length is then treated as unsigned and then used in a copying operation. Due to the length underflow, the application will then write outside the bounds of a stack buffer, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.","status":"published","published":"2022-05-13T01:01:46Z","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":"2026-11-02T14:49:54.32219Z"}],"nvd":[{"id":"CVE-2018-3999","description":"An exploitable stack-based buffer overflow vulnerability exists in the JPEG parser of Atlantis Word Processor, version 3.2.5.0. A specially crafted image embedded within a document can cause a length to be miscalculated and underflow. This length is then treated as unsigned and then used in a copying operation. Due to the length underflow, the application will then write outside the bounds of a stack buffer, resulting in a buffer overflow. An attacker must convince a victim to open a document in order to trigger this vulnerability.","status":"published","published":"2018-10-01T20:29:01.28Z","modified":"2026-06-17T01:58:11.56Z","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-191","CWE-681","CWE-787"],"updated_at":"2026-11-02T14:04:42.52179Z"}]}}