CWE
862
Advisory Published
Updated

CVE-2023-40216

First published: Thu Aug 10 2023(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Openbsd Openbsd=7.3
Openbsd Openbsd=7.3-errata_001
Openbsd Openbsd=7.3-errata_002
Openbsd Openbsd=7.3-errata_003
Openbsd Openbsd=7.3-errata_004
Openbsd Openbsd=7.3-errata_005
Openbsd Openbsd=7.3-errata_006
Openbsd Openbsd=7.3-errata_007
Openbsd Openbsd=7.3-errata_008
Openbsd Openbsd=7.3-errata_009
Openbsd Openbsd=7.3-errata_010
Openbsd Openbsd=7.3-errata_011
Openbsd Openbsd=7.3-errata_012
Openbsd Openbsd=7.3-errata_013

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Frequently Asked Questions

  • What is the severity of CVE-2023-40216?

    The severity of CVE-2023-40216 is medium with a severity value of 5.5.

  • How does CVE-2023-40216 affect OpenBSD?

    CVE-2023-40216 affects OpenBSD version 7.3 before errata 014.

  • What is the impact of CVE-2023-40216?

    CVE-2023-40216 could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.

  • How can I fix CVE-2023-40216?

    To fix CVE-2023-40216, apply the OpenBSD 7.3 errata 014 or later.

  • Where can I find more information about CVE-2023-40216?

    You can find more information about CVE-2023-40216 at the following references: [link1], [link2].

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