What is CVE-2018-6253?

CVE-2018-6253 is a medium-severity vulnerability in FreeBSD, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2018-04-02.

How severe is CVE-2018-6253?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in FreeBSD

CVE-2018-6253

NVIDIA GPU Display Driver contains a vulnerability in the DirectX and OpenGL Usermode drivers where a specially crafted pixel shader can cause infinite recursion leading to denial of service.

Published 2018-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

FreeBSD
Linux Kernel
Microsoft Windows
NVIDIA GPU Driver
NVIDIA Corporation GPU Display Driver — versions All
Oracle Solaris

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

nvidia.custhelp.com/app/answers/detail/a_id/4649 (Vendor Advisory)
usn.ubuntu.com/3662-1/ (vendor-advisory)
www.talosintelligence.com/vulnerability_reports/TALOS-2018-0522 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-6253?: CVE-2018-6253 is a medium-severity vulnerability in FreeBSD, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2018-04-02.
How severe is CVE-2018-6253?: Medium severity. CVSS v3 base score is 5.5 out of 10.