A stack overflow in the src/main.c component of GNU Unrtf v0.21.10 allows attackers to cause a Denial of Service (DoS) via injecting a crafted input into the filename parameter.
https://www.gnu.org/software/unrtf/
https://savannah.gnu.org/projects/unrtf/
https://lists.gnu.org/archive/html/bug-unrtf/2025-11/msg00001.html
https://hg.savannah.gnu.org/hgweb/unrtf/rev/a5d3b025a8b1
https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65410.md