p PatchFirst

CVE-2011-4539

CVE-2011-4539

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

dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.

EPSS 15.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • isc-dhcp Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.2.2.dfsg.1-5

    Update to 4.2.2.dfsg.1-5

  • isc-dhcp Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.2.2.dfsg.1-5

    Update to 4.2.2.dfsg.1-5

Original sources

Check your server →