CVE-2026-93010

Name	CVE-2026-93010
Description	A flaw was found in dnsmasq. When DHCP leasequery is enabled without listing allowed source addresses, the server does not check who sent the query. A host on the local network can request DHCP lease records and learn assigned addresses, MAC addresses, hostnames, and related lease metadata. The feature is off unless an administrator turns it on.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dnsmasq (PTS)	bookworm, bookworm (security)	2.90-4~deb12u2	vulnerable
	trixie	2.91-1+deb13u2	vulnerable
	trixie (security)	2.91-1+deb13u1	vulnerable
	forky, sid	2.93-3	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
dnsmasq	source	(unstable)	(unfixed)

https://bugzilla.redhat.com/show_bug.cgi?id=2536081
check upstream details