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CVE-2019-3859

CVE-2019-3859

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

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS 9.1 · Critical · EPSS 6.3% · 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
    • 1.4.3-2ubuntu0.2+esm1
    Affected ranges
    • ECOSYSTEM: < 1.4.3-2ubuntu0.2+esm2

    Update to 1.4.3-2ubuntu0.2+esm2

  • 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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