Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involving OPTION_6RD parsing.
https://usn.ubuntu.com/3935-1/
https://security.gentoo.org/glsa/201612-04
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
http://www.openwall.com/lists/oss-security/2016/03/11/16
https://git.busybox.net/busybox/commit/?id=352f79acbd759c14399e39baef21fc4ffe180ac2
https://busybox.net/news.html
Source: Mitre, NVD
Published: 2017-02-09
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.25793