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USN-8308-1: Dnsmasq vulnerability

USN-8308-1: Dnsmasq vulnerability

Ubuntu May 26, 2026

Dnsmasq could be made to crash or run programs if it received specially crafted network traffic.

It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code.

In general, a standard system update will make all the necessary changes.

The problem can be corrected by updating your system to the following package versions:

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Extracted Entities

Attack Types (1)

Tools (1)