{"id":"CVE-2018-6641","aliases":["EUVD-2018-18388","GHSA-p4xx-95p7-3998"],"status":"published","title":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c....","description":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.05552,"percentile":0.92902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2018-02-28T05:00:00Z","modified":"2026-06-17T02:02:08Z","products":[{"vendor":"wiris","product":"mathtype"}],"references":[{"url":"https://drive.google.com/open?id=1qrHKzDA1daHh0mM2T8FRybL8we-mHRW9","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://www.dessci.com/en/dl/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6641"},{"url":"https://github.com/advisories/GHSA-p4xx-95p7-3998"}],"sources":{"cve":[{"id":"CVE-2018-6641","description":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.","status":"published","published":"2018-02-28T05:00:00Z","modified":"2024-08-05T06:10:10.784Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18388","description":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.","status":"published","published":"2018-02-28T05:00:00Z","modified":"2024-08-05T06:10:10Z","updated_at":"2026-11-03T02:40:07.640255Z"}],"ghsa":[{"id":"GHSA-p4xx-95p7-3998","title":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c....","description":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.","status":"published","published":"2022-05-13T01:09:56Z","modified":"2023-02-01T05:03:34Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:50:04.459356Z"}],"nvd":[{"id":"CVE-2018-6641","description":"An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.","status":"published","published":"2018-02-28T05:29:00.383Z","modified":"2026-06-17T02:02:08.47Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/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-416"],"updated_at":"2026-11-02T14:04:23.783914Z"}]}}