In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check resulting it out by two out of bound read.
In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxippacketreceive() function when received an Ethernet with type set as IP but no IP data.
In Eclipse Foundation NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxipv4optionprocess() when processing an IPv4 packet with the timestamp option.
In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxipv4packetreceive() when handling unicast DHCP messages that could cause corruption of 4 bytes of memory.
In NetX Duo before 6.4.4, the networking support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in nxicmpv6validateoptions() when handling a packet with ICMP6 options.