PYSEC-2026-2830 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the function FillColorRow4 in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-2829 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the FillColorRow8 function in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-2816 Double Free in OpenCV

OpenCV 3.0.0 has a double free issue that allows attackers to execute arbitrary code. This issue was fixed in OpenCV version 3.3.1 corresponding to OpenCV-Python and and OpenCV-Contrib-Python 3.3.1.11...

PYSEC-2026-2817 Improper Input Validation in OpenCV

OpenCV 3.0.0 allows remote attackers to cause a denial of service segfault via vectors involving corrupt chunks. This issue was fixed in OpenCV version 3.3.1 corresponding to OpenCV 3.3.1.11...

PYSEC-2026-705 Out-of-bounds Write in OpenCV.

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/grfmtjpeg2000.cpp when parsing a crafted image file...

PYSEC-2026-726 Out-of-bounds Read in OpenCV

OpenCV 4.1.1 has an out-of-bounds read in halbaseline::vload in core/hal/intrinsse.hpp when called from computeSSDMeanNorm in modules/video/src/disflow.cpp...

PYSEC-2026-725 Out-of-bounds Write in OpenCV

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...

PYSEC-2026-719 Out-of-bounds Write in OpenCV

In opencv calls that use libpng, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges required. User interaction is not required for exploitation. Product: AndroidVersions: Android-10Android...

PYSEC-2026-724 Out-of-bounds Write in OpenCV

An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV 4.1.0 corresponds with OpenCV-Python 4.1.0.25. A specially crafted XML file can cause a buffer overflow, resulting in multiple heap corruptions and potential code execution. An...

Divide By Zero in OpenCV.

An issue was discovered in OpenCV 4.1.0 OpenCV-Python 4.1.0.25. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp...

PYSEC-2026-721 Out-of-bounds Read and Out-of-bounds Write in OpenCV

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

PYSEC-2026-711 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

OpenCV 3.3.1 corresponding with opencv-python and opencv-contrib-python 3.3.1.11 has a Buffer Overflow in the cv::PxMDecoder::readData function in grfmtpxm.cpp, because an incorrect size value is used...

PYSEC-2026-722 Divide By Zero in OpenCV.

An issue was discovered in OpenCV 4.1.0 OpenCV-Python 4.1.0.25. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp...

PYSEC-2026-702 Out-of-bounds Read in OpenCV

In OpenCV 3.3.1 corresponding with OpenCV-Python 3.3.1.11, a heap-based buffer over-read exists in the function cv::HdrDecoder::checkSignature in modules/imgcodecs/src/grfmthdr.cpp...

PYSEC-2026-700 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library 3.3 corresponding to OpenCV-Python 3.3.0.9 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...

Integer Overflow or Wraparound in OpenCV.

In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not check the input length, which can lead to integer overflow. If the image is from remote, may lead to remote code execution or denial of service. This affects Opencv 3.3 corresponding with OpenCV-Python 3.3.0....

PYSEC-2026-712 Integer Overflow or Wraparound in OpenCV.

In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not check the input length, which can lead to integer overflow. If the image is from remote, may lead to remote code execution or denial of service. This affects Opencv 3.3 corresponding with OpenCV-Python 3.3.0....

PYSEC-2026-718 NULL Pointer Dereference in OpenCV.

An issue was discovered in OpenCV before 4.1.1 OpenCV-Python before 4.1.1.26. There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp...

PYSEC-2026-703 Reachable Assertion in OpenCV.

In OpenCV 3.3.1 corresponds with OpenCV-Python 3.3.1.11, an assertion failure happens in cv::RBaseStream::setPos in modules/imgcodecs/src/bitstrm.cpp because of an incorrect integer cast...

Integer Overflow or Wraparound in OpenCV

In opencv/modules/imgcodecs/src/grfmtpxm.cpp, function PxMDecoder::readData has an integer overflow when calculate srcpitch. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 corresponding to OpenCV-Python 3.3.0.9 and earlier...