- ------------------------------------------------------------------------- Debian LTS Advisory DLA-2674-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort June 03, 2021 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : isc-dhcp Version : 4.3.5-3+deb9u2 CVE ID : CVE-2021-25217 Debian Bug : 989157 Jon Franklin and Pawel Wieczorkiewicz found an issue in the ISC DHCP client and server when parsing lease information, which could lead to denial of service via application crash. For Debian 9 stretch, this problem has been fixed in version 4.3.5-3+deb9u2. We recommend that you upgrade your isc-dhcp packages. For the detailed security status of isc-dhcp please refer to its security tracker page at: https://security-tracker.debian.org/tracker/isc-dhcp Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS