Debian LTS: DLA-1991-1: libssh2 security update

    Date13 Nov 2019
    CategoryDebian LTS
    175
    Posted ByLinuxSecurity Advisories
    In libssh2, SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A
    
    Package        : libssh2
    Version        : 1.4.3-4.1+deb8u6
    CVE ID         : CVE-2019-17498
    Debian Bug     : 943562
    
    
    In libssh2, SSH_MSG_DISCONNECT logic in packet.c has an integer
    overflow in a bounds check, enabling an attacker to specify an
    arbitrary (out-of-bounds) offset for a subsequent memory read. A
    crafted SSH server may be able to disclose sensitive information or
    cause a denial of service condition on the client system when a user
    connects to the server
    
    For Debian 8 "Jessie", this problem has been fixed in version
    1.4.3-4.1+deb8u6.
    
    We recommend that you upgrade your libssh2 packages.
    
    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    
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