{"id":"CVE-2017-2819","aliases":["EUVD-2017-11960","GHSA-g9qc-mh3w-mp47"],"status":"published","title":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version...","description":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up 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":"2026-11-08","score":0.01664,"percentile":0.76875,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2017-05-24T14:00:00Z","modified":"2026-06-17T01:16:55Z","products":[{"vendor":"hancom","product":"hangul word processor in thinkfree office neo trial word"},{"vendor":"hancom","product":"hangul_word_processor"},{"vendor":"hancom","product":"thinkfree_office_neo"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-2819"},{"url":"https://github.com/advisories/GHSA-g9qc-mh3w-mp47"}],"sources":{"cve":[{"id":"CVE-2017-2819","description":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.","status":"published","published":"2017-05-24T14:00:00Z","modified":"2024-08-05T14:02:07.711Z","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":"2026-11-02T14:33:15.543086Z"}],"euvd":[{"id":"EUVD-2017-11960","description":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.","status":"published","published":"2017-05-24T14:00:00Z","modified":"2024-08-05T14:02:07Z","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":"2026-11-03T02:39:20.035866Z"}],"ghsa":[{"id":"GHSA-g9qc-mh3w-mp47","title":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version...","description":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.","status":"published","published":"2022-05-13T01:01:24Z","modified":"2023-02-01T05:02:25Z","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-119"],"updated_at":"2026-11-02T14:49:54.32219Z"}],"nvd":[{"id":"CVE-2017-2819","description":"An exploitable heap-based buffer overflow exists in the Hangul Word Processor component (version 9.6.1.4350) of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.","status":"published","published":"2017-05-24T14:29:00.613Z","modified":"2026-06-17T01:16:55.673Z","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":"secondary"},{"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","assessor":"primary"},{"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-119"],"updated_at":"2026-11-02T14:03:49.449157Z"}]}}