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OpenAdvisories
High DLA-2674-1 1 CVE

isc-dhcp - security update

Published Jun 3, 2021 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 9 isc-dhcp 4.3.5-3+deb9u2

Vulnerabilities 1

  • High 7.4
    CVE-2021-25217

    A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient

    In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no longer supported by ISC. From inspection it is …

    ISC ISC DHCP isc-dhcp isc-dhcp Debian Ubuntu Azure Linux Alpine