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CVE-2019-3855

CVE-2019-3855

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 7.5 · High · EPSS 9.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • libssh2

    Versions
    • 1.8.1: Affected

    No fix published

  • libssh2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Ubuntu:Pro:14.04:LTS

    Versions
    • 1.4.3-1
    • 1.4.3-2
    • 1.4.3-2ubuntu0.1
    • 1.4.3-2ubuntu0.2
    Affected ranges
    • ECOSYSTEM: < 1.4.3-2ubuntu0.2+esm1

    Update to 1.4.3-2ubuntu0.2+esm1

  • libssh2 Ubuntu:Pro:16.04:LTS

    Versions
    • 1.5.0-2
    • 1.5.0-2ubuntu0.1
    Affected ranges
    • ECOSYSTEM: < 1.5.0-2ubuntu0.1+esm1

    Update to 1.5.0-2ubuntu0.1+esm1

  • libssh2 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.8.0-1
    • 1.8.0-1ubuntu0.1
    • 1.8.0-1ubuntu0.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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