diff options
Diffstat (limited to 'src/libsystemd-network')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-server.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index a1af5da40f..ea4f03df1d 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -633,7 +633,8 @@ static int parse_request(uint8_t code, uint8_t len, const void *option, void *us break; case SD_DHCP_OPTION_MAXIMUM_MESSAGE_SIZE: - if (len == 2) + + if (len == 2 && unaligned_read_be16(option) >= sizeof(DHCPPacket)) req->max_optlen = unaligned_read_be16(option) - sizeof(DHCPPacket); break; |