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CVE-2009-3563

CVE-2009-3563

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.

ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed (1) request or (2) response packet that triggers a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.

EPSS 32.1% · Public exploit · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • ntp Debian:11

    Affected ranges
    • ECOSYSTEM: < 1:4.2.4p8+dfsg-1

    Update to 1:4.2.4p8+dfsg-1

Original sources

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