{"id":"CVE-2023-27390","aliases":["EUVD-2023-31166","GHSA-4p57-rrmc-hxh2"],"status":"published","title":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of...","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted markdown file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00522,"percentile":0.44833,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-07-05T15:51:51Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"diagon","product":"diagon"},{"vendor":"diagon_project","product":"diagon"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1744","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1744","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27390","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4p57-rrmc-hxh2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27390.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-27390","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted markdown file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.","status":"published","published":"2023-07-05T15:51:51.012Z","modified":"2024-08-02T12:09:43.282Z","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":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:26.261013Z"}],"euvd":[{"id":"EUVD-2023-31166","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted markdown file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.","status":"published","published":"2023-07-05T15:51:51Z","modified":"2024-08-02T12:09:43Z","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"}],"updated_at":"2026-11-03T03:50:06.256765Z"}],"ghsa":[{"id":"GHSA-4p57-rrmc-hxh2","title":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of...","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted network request can lead to a heap buffer overflow. An attacker can send a network request to trigger this vulnerability.","status":"published","published":"2023-07-05T18:30:44Z","modified":"2024-04-04T05:23:47Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:56:32.215105Z"}],"nvd":[{"id":"CVE-2023-27390","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted markdown file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.","status":"published","published":"2023-07-05T16:15:09.507Z","modified":"2026-06-17T05:44:56.15Z","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":"secondary"},{"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"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:08:14.715708Z"}],"osv":[{"id":"CVE-2023-27390","description":"A heap-based buffer overflow vulnerability exists in the Sequence::DrawText functionality of Diagon v1.0.139. A specially crafted markdown file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger this vulnerability.","status":"published","published":"2023-07-05T15:51:51.012Z","modified":"2026-10-28T02:30:44.5171317Z","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"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:31.135751Z"}]}}