CVE-2019-3861

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    CVE-2019-3861

    Published: 25 Mar 2019Last Modified: 7 Aug 2026

    Summary:

    Details: An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/, https://seclists.org/bugtraq/2019/Apr/25, http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html, https://access.redhat.com/errata/RHSA-2019:2136, https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html, https://security.netapp.com/advisory/ntap-20190327-0005/, https://www.debian.org/security/2019/dsa-4431, https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3861, https://www.libssh2.org/CVE-2019-3861.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 74b12c3c7adaab4ab22f0284672dd95a573664b6
    Fixed -None

    Affected versions

    libssh2-1.8.0

    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