dhcpcd: A NULL pointer dereference occurs in Roy Marples NetworkConfiguration/dhcpcd 10.3.0 while parsing configuration options
CVE-2025-70102 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2025-70102, released June 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dhcpcd · Debian 13.5 (trixie) | 1:10.1.0-11+deb13u3 | DEBIAN-CVE-2025-70102 | Jun 24, 2026 |
| dhcpcd · Debian 14 | 1:10.3.1-1 | DEBIAN-CVE-2025-70102 | Jun 24, 2026 |
| dhcpcd · opensuse-leap 16.0 | 10.3.2-160000.1.2 | OPENSUSE-SU-2026:21220-1 | Jul 6, 2026 |
| dhcpcd · sles 16.0 | 10.3.2-160000.1.2 | SUSE-SU-2026:22561-1 | Jul 6, 2026 |
| dhcpcd5 · Debian 12.15 (bookworm) | 9.4.1-24~deb12u5 | DEBIAN-CVE-2025-70102 | Jun 24, 2026 |
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