Libde265 v1.0.8 was discovered to contain an unknown crash via ff_hevc_put_hevc_qpel_h_3_v_3_sse in sse-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.
https://github.com/strukturag/libde265/issues/336
https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html