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CVE-2016-0787 · cross-distro fix matrix

CVE-2016-0787: The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2016-0787 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libssh2→ fixed in1.5.0-2.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libssh2

Debian bookworm

Source: Debian Security Tracker

  • libssh2→ fixed in1.5.0-2.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libssh2

Debian trixie

Source: Debian Security Tracker

  • libssh2→ fixed in1.5.0-2.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libssh2
Are YOU affected by CVE-2016-0787?

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