CVE-2023-40216

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CVSS 3.1

5.5 medium

EPSS

<1%p4

Published

Aug 10, 2023 (Aug 10, 2023)

Modified

Jun 17, 2026

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.

Vendors: openbsd
Products: openbsd
Weakness: CWE-862
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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