GO-2026-6237 Denial of service via malformed IPv4 packet in github.com/insomniacslk/dhcp
A remote attacker can cause a denial of service in applications using the insomniacslk/dhcp library by sending a malformed IPv4 packet.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GO-2026-6237?
GO-2026-6237 is a denial of service vulnerability in github.com/insomniacslk/dhcp, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Which versions are affected by GO-2026-6237?
1 open source package ship an affected version, including github.com/insomniacslk/dhcp.
| Package | Affected | Fixed in |
|---|---|---|
github.com/insomniacslk/dhcp Go | All versions | 0.0.0-20260719225207-c76316d4aa82 |
How do I fix GO-2026-6237?
Upgrade github.com/insomniacslk/dhcp to 0.0.0-20260719225207-c76316d4aa82 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GO-2026-6237 being exploited?
There is no known exploitation of GO-2026-6237 in the wild and no public exploit code.