USB: A Comprehensive and Unified Safety Evaluation Benchmark for Multimodal Large Language Models. - Baolin Zheng; Guanlin Chen; Hongqiong Zhong; Qingyang Teng; Yingshui Tan; Zhendong Liu; Weixun Wang; Jiaheng Liu; Jian Yang 003; Huiyun Jing; Jincheng Wei; Wenbo Su; et al. (CoRR, 2025)