{"id":"CVE-2023-40216","aliases":["EUVD-2023-44813","GHSA-9735-hqm8-4h6p"],"status":"published","title":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal...","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00145,"percentile":0.03801,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2023-08-10T00:00:00Z","modified":"2026-10-28T10:35:06Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/014_wscons.patch.sig","tags":["x_transferred","Patch","Vendor Advisory","web"]},{"url":"https://github.com/openbsd/src/commit/9d3f688f46eba347e96ff0ae9506ef2061622e0c","tags":["x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40216","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9735-hqm8-4h6p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40216.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-40216","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","status":"published","published":"2023-08-10T00:00:00Z","modified":"2024-10-09T20:23:52.142Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44813","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","status":"published","published":"2023-08-10T00:00:00Z","modified":"2024-10-09T20:23:52Z","updated_at":"2026-11-03T00:27:42.031825Z"}],"ghsa":[{"id":"GHSA-9735-hqm8-4h6p","title":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal...","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","status":"published","published":"2023-08-10T18:31:00Z","modified":"2024-04-04T06:48:41Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:56:45.955138Z"}],"nvd":[{"id":"CVE-2023-40216","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","status":"published","published":"2023-08-10T16:15:09.907Z","modified":"2026-06-17T06:16:46.587Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:08:22.812138Z"}],"osv":[{"id":"CVE-2023-40216","description":"OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.","status":"published","published":"2023-08-10T00:00:00Z","modified":"2026-10-28T10:35:06.343501912Z","updated_at":"2026-11-02T15:44:33.244128Z"}]}}