A NULL pointer dereference in the src/path.c component of GNU Unrtf v0.21.10 allows attackers to cause a Denial of Service (DoS) via injecting a crafted payload into the search_path parameter.
https://www.gnu.org/software/unrtf/
https://sources.debian.org/src/unrtf/0.21.10-clean-1/src/main.c/#L661
https://savannah.gnu.org/projects/unrtf/
https://lists.gnu.org/archive/html/bug-unrtf/2025-11/msg00000.html
https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65411.md