Description
There is a vulnerability in DHCPv6 packet parsing code that could be explored by remote attacker to craft a packet that could cause buffer overflow in a memcpy call, leading to out-of-bounds memory write that would cause dhcp6relay to crash. Dhcp6relay is a critical process and could cause dhcp relay docker to shutdown. Discovered by Eugene Lim of GovTech Singapore.
Exploits (1)
Scores
CVSS v3
8.1
EPSS
0.0089
EPSS Percentile
75.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
CWE-787
Status
published
Products (1)
linuxfoundation/software_for_open_networking_in_the_cloud
202111
Published
Nov 14, 2022
Tracked Since
Feb 18, 2026