CVE-2026-10666 Stack buffer overflow in `net_ipaddr_parse()` IPv4 address-with-port parsing in `subsys/net/ip/utils.c`

parseipv4 in subsys/net/ip/utils.c reached via netipaddrparse for strings of the form "a.b.c.d:port" copies the port substring into a fixed 17-byte stack buffer char ipaddrNETIPV4ADDRLEN + 1 using a length of strlen - end - 1, where strlen is the full, unbounded input length and end is only the...

CVE-2022-22183 Junos OS Evolved: A remote attacker may cause a CPU Denial of Service by sending genuine traffic to a device on a specific IPv4 port.

An Improper Access Control vulnerability in Juniper Networks Junos OS Evolved allows a network-based unauthenticated attacker who is able to connect to a specific open IPv4 port, which in affected releases should otherwise be unreachable, to cause the CPU to consume all resources as more traffic ...

IPv6 unmasking via UPnP

Martin Zeiser and Aleksandar Nikolich authored this post. Executive summary With tools such as ZMap and Masscan and general higher bandwidth availability, exhaustive internet-wide scans of full IPv4 address space have become the norm after it was once impractical. Projects like Shodan and Scans.i...