CVE-2025-70102

Name	CVE-2025-70102
Description	A NULL pointer dereference occurs in Roy Marples NetworkConfiguration/dhcpcd 10.3.0 while parsing configuration options. In parse_option() (src/if-options.c:1886), the code performs a member access on a NULL pointer of type 'struct dhcp_opt' when an unexpected/invalid option token or parsing state causes the lookup to yield NULL. The instrumented fuzzing build reports 'runtime error: member access within null pointer of type struct dhcp_opt' and aborts.
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)
References	DLA-4686-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
dhcpcd (PTS)	trixie	1:10.1.0-11+deb13u3	fixed
	forky, sid	1:10.3.2-4	fixed
dhcpcd5 (PTS)	bullseye	7.1.0-2	vulnerable
	bullseye (security)	7.1.0-2+deb11u1	fixed
	bookworm	9.4.1-24~deb12u5	fixed

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

Package	Type	Release	Fixed Version	Origin
dhcpcd	source	trixie	1:10.1.0-11+deb13u3
dhcpcd	source	(unstable)	1:10.3.1-1
dhcpcd5	source	bullseye	7.1.0-2+deb11u1	DLA-4686-1
dhcpcd5	source	bookworm	9.4.1-24~deb12u5
dhcpcd5	source	(unstable)	(unfixed)

Notes

https://github.com/NetworkConfiguration/dhcpcd/issues/567
Fixed by: https://github.com/NetworkConfiguration/dhcpcd/commit/117742d755b591764036dd4218f314f748a3d2b7 (v10.3.1)