CVE-2022-0324
Buffer Overflow in Dhcp6relay in Software for Open Networking in the Cloud (SONiC)
- Published
- Nov 14, 2022
- Updated
- Apr 30, 2025
- Assigning CNA
- GovTech CSG
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HLow · next 30 days
- Percentile
- 66.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1PoC for CVE-2022-0324: Buffer Overflow in dhcp6relay of SONiC
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