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-rw-r--r--networking/udhcp/d6_dhcpc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/networking/udhcp/d6_dhcpc.c b/networking/udhcp/d6_dhcpc.c
index 9e3ce8b1c..2ff9c5669 100644
--- a/networking/udhcp/d6_dhcpc.c
+++ b/networking/udhcp/d6_dhcpc.c
@@ -287,6 +287,10 @@ static void option_to_env(uint8_t *option, uint8_t *option_end)
* | valid-lifetime |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
+ /* Make sure payload contains an address */
+ if (option[3] < 24)
+ break;
+
sprint_nip6(ipv6str, option + 4);
*new_env() = xasprintf("ipv6=%s", ipv6str);