{"cve":"CVE-2023-40216","nvd":{"published":"2023-08-10T16:15:09.907","modified":"2026-06-17T06:16:46.587","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-862"],"references":["https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/014_wscons.patch.sig","https://github.com/openbsd/src/commit/9d3f688f46eba347e96ff0ae9506ef2061622e0c","https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/014_wscons.patch.sig","https://github.com/openbsd/src/commit/9d3f688f46eba347e96ff0ae9506ef2061622e0c"],"products":["openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-40216","score":0.00145,"percentile":0.03751,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}