{"id":"CVE-2020-10566","aliases":["EUVD-2020-3018","GHSA-rj84-59vh-9hpj"],"status":"published","title":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading...","description":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00341,"percentile":0.27858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-03-14T00:52:53Z","modified":"2026-06-17T02:48:00Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://svnweb.freebsd.org/ports?view=revision\u0026revision=525916","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10566"},{"url":"https://github.com/advisories/GHSA-rj84-59vh-9hpj"}],"sources":{"cve":[{"id":"CVE-2020-10566","description":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.","status":"published","published":"2020-03-14T00:52:53Z","modified":"2024-08-04T11:06:09.997Z","updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-3018","description":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.","status":"published","published":"2020-03-14T00:52:53Z","modified":"2024-08-04T11:06:09Z","updated_at":"2026-11-03T03:07:49.909738Z"}],"ghsa":[{"id":"GHSA-rj84-59vh-9hpj","title":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading...","description":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.","status":"published","published":"2022-05-24T17:11:30Z","modified":"2023-01-29T05:01:43Z","updated_at":"2026-11-02T14:44:53.993473Z"}],"nvd":[{"id":"CVE-2020-10566","description":"grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12, mishandles font loading by a guest through a grub2.cfg file, leading to a buffer overflow.","status":"published","published":"2020-03-14T01:15:12.583Z","modified":"2026-06-17T02:48:00.867Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:55.32877Z"}]}}