CVE-2022-23493

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    CVE-2022-23493

    Published: 9 Dec 2022Last Modified: 12 Aug 2026

    Summary: Out of Bound Read in xrdp

    Details: xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23493.json, https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5v, https://nvd.nist.gov/vuln/detail/CVE-2022-23493, https://www.debian.org/security/2023/dsa-5502

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -83a4d55b144693eef7ba71314d99c875d3169e06

    Affected versions

    v0.9.20
    v0.9.19
    v0.9.18.1
    v0.9.13.1
    v0.9.3.1
    v0.9.2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-23493 | CVE-DB