HIGH 8.8
PYSEC-2026-725
Out-of-bounds Write in OpenCV
Details
An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV, version 4.1.0 (corresponds with OpenCV-Python version 4.1.2.30). A specially crafted JSON file can cause a buffer overflow, resulting in multiple heap corruptions and potentially code execution. An attacker can provide a specially crafted file to trigger this vulnerability.
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Affected packages
PyPI / opencv-contrib-python-headless
Introduced in:
0 Fixed in: 4.2.0.32 Fix
pip install --upgrade 'opencv-contrib-python-headless>=4.2.0.32' References
- https://nvd.nist.gov/vuln/detail/CVE-2019-5064 [ADVISORY]
- https://github.com/opencv/opencv/issues/15857 [WEB]
- https://github.com/opencv/opencv-python [PACKAGE]
- https://github.com/opencv/opencv-python/releases/tag/32 [WEB]
- https://github.com/opencv/opencv/releases/tag/4.2.0 [WEB]
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0853 [WEB]
- https://www.oracle.com//security-alerts/cpujul2021.html [WEB]
- https://www.oracle.com/security-alerts/cpuApr2021.html [WEB]
- https://pypi.org/project/opencv-contrib-python-headless [PACKAGE]
- https://github.com/advisories/GHSA-q799-q27x-vp7w [ADVISORY]