VLSU: Mapping the Limits of Joint Multimodal Understanding for AI Safety. - Shruti Palaskar; Leon A. Gatys; Mona Abdelrahman; Mar Jacobo; Larry Lindsey; Rutika Moharir; Gunnar Lund; Yang Xu; Navid Shiee; Jeffrey P. Bigham; Charles Maalouf; Joseph Yitan Cheng (CoRR, 2025)