LLM4MEA: Data-Free Model Extraction Attacks on Sequential Recommenders Via Large Language Models

Recent studies have demonstrated the vulnerability of sequential recommender systems to Model Extraction Attacks MEAs. MEAs collect responses from recommender systems to replicate their functionality, enabling unauthorized deployments and posing critical privacy and security risks. Black-box...

ISC BIND Denial of Service Vulnerability (CNVD-2023-25100)

ISC BIND is an open source software implementation of the DNS protocol from ISC, Inc. A denial-of-service vulnerability exists in BIND, which stems from an error in the corresponding processing of the product's authorization server. An attacker could exploit the vulnerability to cause a performan...