CVE-2025-56233

Openindiana, kernel SunOS 5.11 has a denial of service vulnerability. For the processing of TCP packets with RST or SYN flag set, Openindiana has a wide acceptable range of sequence numbers. It does not require the sequence number to exactly match the next expected sequence value, just to be with...

CVE-2025-56234

CVE-2025-56234 affects Nanda Automation Technology’s AT NA2000 PLC. The root cause is improper handling of TCP RST packets, accepting a broad range of sequence numbers within the receive window rather than requiring an exact match (RFC 5961). This enables an attacker to send numerous random TCP R...