# CVE-2019-14491: PYSEC-2026-720 - Out-of-bounds Read in OpenCV

Source: https://junglewise.ai/threats/cve-2019-14491-out-of-bounds-read-in-opencv  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-02  
License: CC BY 4.0 with a link back

CVE-2019-14491 · Severity: low · CVSS 3 · Published 2026-07-02

Out-of-bounds Read in OpenCV

Technologies: [opencv-contrib-python (PyPI)](https://junglewise.ai/threats/technologies/opencv-contrib-python), [opencv-contrib-python-headless (PyPI)](https://junglewise.ai/threats/technologies/opencv-contrib-python-headless), [opencv-python (PyPI)](https://junglewise.ai/threats/technologies/opencv-python), [opencv-python-headless (PyPI)](https://junglewise.ai/threats/technologies/opencv-python-headless). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2019-14491 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-14491 being exploited in the wild.

**How severe is CVE-2019-14491?** Low severity, with a CVSS score of 3, published 2 July 2026.

**Which products and versions are affected?** opencv-contrib-python (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26; opencv-contrib-python-headless (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26; opencv-python (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26; opencv-python-headless (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26.

**Is there a fix for CVE-2019-14491?** Yes. opencv-contrib-python (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later; opencv-contrib-python-headless (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later; opencv-python (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later; opencv-python-headless (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-14491?** Check whether you run opencv-contrib-python (PyPI), opencv-contrib-python-headless (PyPI), opencv-python (PyPI) or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- opencv-contrib-python (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later

  ```sh
  pip install "opencv-contrib-python>=4.1.1.26"
  ```

- opencv-contrib-python-headless (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later

  ```sh
  pip install "opencv-contrib-python-headless>=4.1.1.26"
  ```

- opencv-python (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later

  ```sh
  pip install "opencv-python>=4.1.1.26"
  ```

- opencv-python-headless (PyPI): upgrade to 3.4.7.28, 4.1.1.26 or later

  ```sh
  pip install "opencv-python-headless>=4.1.1.26"
  ```


## Affected products

- opencv-contrib-python (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26
- opencv-contrib-python-headless (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26
- opencv-python (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26
- opencv-python-headless (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.7.28, ECOSYSTEM:introduced=0,fixed=3.4.7.28,introduced=4.0.0.21,fixed=4.1.1.26

## Identifiers

- CVE-2019-14491
- GHSA-fm39-cw8h-3p63
- PYSEC-2026-2797
- PYSEC-2026-2818
- PYSEC-2026-2836
- PYSEC-2026-720

## Related threats

- [PYSEC-2026-705 - Out-of-bounds Write in OpenCV.](https://junglewise.ai/threats/cve-2018-5268-out-of-bounds-write-in-opencv)
- [PYSEC-2026-725 - Out-of-bounds Write in OpenCV](https://junglewise.ai/threats/cve-2019-5064-out-of-bounds-write-in-opencv)
- [PYSEC-2026-724 - Out-of-bounds Write in OpenCV](https://junglewise.ai/threats/cve-2019-5063-out-of-bounds-write-in-opencv)
- [PYSEC-2026-723 - Out-of-bounds Read in OpenCV](https://junglewise.ai/threats/cve-2019-19624-out-of-bounds-read-in-opencv)
- [PYSEC-2026-719 - Out-of-bounds Write in OpenCV](https://junglewise.ai/threats/cve-2019-9423-out-of-bounds-write-in-opencv)