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.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unrtf | Unrtf_project | 0.21.10 (including) | 0.21.10 (including) |
| Unrtf | Ubuntu | plucky | * |
Potential Mitigations
References
- https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65411.md
- https://lists.gnu.org/archive/html/bug-unrtf/2025-11/msg00000.html
- https://savannah.gnu.org/projects/unrtf/
- https://sources.debian.org/src/unrtf/0.21.10-clean-1/src/main.c/#L661
- https://www.gnu.org/software/unrtf/
- https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65411.md