---
id: CVE-2017-12600
aliases:
  - GHSA-fr58-2xhv-qp3w
  - PYSEC-2026-2819
  - PYSEC-2026-709
title: Denial of Service in OpenCV
summary: Denial of Service in OpenCV
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
vendor: opencv-python
product: opencv-python
ecosystem: pip
affected:
  - opencv-python < 3.3.1.11
  - opencv-contrib-python < 3.3.1.11
patched:
  - opencv-python 3.3.1.11
  - opencv-contrib-python 3.3.1.11
published: '2021-10-12'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:49:09.183564280Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-fr58-2xhv-qp3w'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2017-12600'
  - url: 'https://github.com/opencv/opencv/issues/9311'
  - url: 'https://github.com/opencv/opencv/pull/9376'
  - url: 'https://github.com/opencv/opencv-python'
  - url: 'https://github.com/opencv/opencv-python/releases/tag/11'
  - url: 'https://github.com/opencv/opencv-python/releases/tag/9'
  - url: 'https://github.com/xiaoqx/pocs/blob/master/opencv.md'
  - url: 'https://security.gentoo.org/glsa/201712-02'
tags:
  - osv
  - pip
epss: 0.02037
epssPercentile: 0.79974
ingestedAt: '2026-07-08T18:25:49.116Z'
---

## Overview

OpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python 3.3.0.9) has a denial of service (CPU consumption) issue, as demonstrated by the 11-opencv-dos-cpu-exhaust test case.

## Affected packages

- `opencv-python < 3.3.1.11`
- `opencv-contrib-python < 3.3.1.11`

## Remediation

Upgrade to a patched release:

- `opencv-python 3.3.1.11`
- `opencv-contrib-python 3.3.1.11`