MEDIUM5.5
PYSEC-2026-705
Out-of-bounds Write in OpenCV.
Quick fix
PYSEC-2026-705 — opencv-contrib-python: upgrade to the fixed version with the command below.
pip install --upgrade 'opencv-contrib-python>=3.4.1.15'Details
In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI/opencv-contrib-python
Introduced in:
0Fixed in: 3.4.1.15Fix
pip install --upgrade 'opencv-contrib-python>=3.4.1.15'References
- https://nvd.nist.gov/vuln/detail/CVE-2018-5268[ADVISORY]
- https://github.com/opencv/opencv/issues/10541[WEB]
- https://github.com/opencv/opencv/pull/10566/commits/435a3e337bd9d4e11af61cf8b8afca067bf1a8aa[WEB]
- https://github.com/opencv/opencv-python[PACKAGE]
- https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html[WEB]
- https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html[WEB]
- https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html[WEB]
- http://www.securityfocus.com/bid/106945[WEB]
- https://pypi.org/project/opencv-contrib-python[PACKAGE]
- https://github.com/advisories/GHSA-9g8h-pjm4-q92p[ADVISORY]