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Package · Ubuntu

libssh2

24 known vulnerabilities.

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  • High 8.1
    CVE-2026-55200 Public exploit

    libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

    libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length value…

    libssh2 libssh2 libssh2 libssh2 Debian Ubuntu Alpine
  • Unscored —
    CVE-2019-17498 Public exploit

    In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds ch…

    libssh2 libssh2 libssh2 Debian Ubuntu Alpine
  • Unscored —
    CVE-2019-13115 Public exploit EPSS 12%

    In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow …

    libssh2 libssh2 libssh2 Debian Ubuntu Alpine