opencv vulnerabilities

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• opencv 32
• wechat_qrcode Module 2

Latest opencv CVEs

Newest publication first · page 1 of 2

1. CVE-2025-53644 OpenCV contains a use after free buffer write due to an uninitialized pointer

   Published 2025-07-17

   Medium·CVSS 6.6 EPSS 0.44%

   OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.

2. CVE-2023-2618 OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeHanziSegment memory leak

   Published 2023-05-10

   High·CVSS 7.5 EPSS 1.3%

   A vulnerability, which was classified as problematic, has been found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this issue is the function DecodedBitStreamParser::decodeHanziSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to m...

3. CVE-2023-2617 OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference

   Published 2023-05-10

   High·CVSS 7.5 EPSS 1.4%

   A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this vulnerability is the function DecodedBitStreamParser::decodeByteSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to null pointe...

4. CVE-2019-5064 Out-of-bounds Write in OpenCV

   Published 2020-01-03

   High·CVSS 8.8 EPSS 10.7%

   An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV, before version 4.2.0. A specially crafted JSON file can cause a buffer overflow, resulting in multiple heap corruptions and potentially code execution. An attacker...

5. CVE-2019-5063 Out-of-bounds Write in OpenCV

   Published 2020-01-03

   High·CVSS 8.8 EPSS 21.1%

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

6. CVE-2019-19624 Out-of-bounds Read in OpenCV

   Published 2019-12-06

   Medium·CVSS 6.5 EPSS 1.8%

   An out-of-bounds read was discovered in OpenCV before 4.1.1. Specifically, variable coarsest_scale is assumed to be greater than or equal to finest_scale within the calc()/ocl_calc() functions in dis_flow.cpp. However, this is not true when dealing with small images, leading to a...

7. CVE-2019-16249 Out-of-bounds Read in OpenCV

   Published 2019-09-11

   Medium·CVSS 5.3 EPSS 1.7%

   OpenCV 4.1.1 has an out-of-bounds read in hal_baseline::v_load in core/hal/intrin_sse.hpp when called from computeSSDMeanNorm in modules/video/src/dis_flow.cpp.

8. CVE-2019-15939 Divide By Zero in OpenCV.

   Published 2019-09-05

   Medium·CVSS 5.9 EPSS 2.5%

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

9. CVE-2019-14493 NULL Pointer Dereference in OpenCV.

   Published 2019-08-01

   High·CVSS 7.5 EPSS 3.3%

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

10. CVE-2019-14492 Out-of-bounds Read and Out-of-bounds Write in OpenCV

    Published 2019-08-01

    High·CVSS 7.5 EPSS 3.0%

    An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1. 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.

11. CVE-2019-14491 Out-of-bounds Read in OpenCV

    Published 2019-08-01

    High·CVSS 8.2 EPSS 2.9%

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

12. CVE-2018-5269 Reachable Assertion in OpenCV.

    Published 2018-01-08

    Medium·CVSS 5.5 EPSS 1.4%

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

13. CVE-2018-5268 Out-of-bounds Write in OpenCV.

    Published 2018-01-08

    Medium·CVSS 5.5 EPSS 1.5%

    In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.

14. CVE-2017-1000450 Integer Overflow or Wraparound in OpenCV.

    Published 2018-01-02

    High·CVSS 8.8 EPSS 3.3% PoC

    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 and earlier.

15. CVE-2017-18009 Out-of-bounds Read in OpenCV

    Published 2018-01-01

    High·CVSS 7.5 EPSS 2.5%

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

16. CVE-2017-17760 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

    Published 2017-12-29

    Medium·CVSS 6.5 EPSS 2.3%

    OpenCV 3.3.1 has a Buffer Overflow in the cv::PxMDecoder::readData function in grfmt_pxm.cpp, because an incorrect size value is used.

17. CVE-2017-14136 Out-of-bounds Write in OpenCV

    Published 2017-09-04

    Medium·CVSS 6.5 EPSS 1.6% PoC

    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.

18. CVE-2017-12862 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

    Published 2017-08-15

    High·CVSS 8.8 EPSS 3.1%

    In modules/imgcodecs/src/grfmt_pxm.cpp, the length of buffer AutoBuffer _src is small than expected, which will cause copy buffer overflow later. If the image is from remote, may lead to remote code execution or denial of service. This affects Opencv 3.3 and earlier.

19. CVE-2017-12863 Integer Overflow or Wraparound in OpenCV

    Published 2017-08-15

    High·CVSS 8.8 EPSS 2.7%

    In opencv/modules/imgcodecs/src/grfmt_pxm.cpp, function PxMDecoder::readData has an integer overflow when calculate src_pitch. If the image is from remote, may lead to remote code execution or denial of service. This affects Opencv 3.3 and earlier.

20. CVE-2017-12864 Integer Overflow or Wraparound in OpenCV

    Published 2017-08-15

    High·CVSS 8.8 EPSS 2.7%

    In opencv/modules/imgcodecs/src/grfmt_pxm.cpp, function ReadNumber did not checkout the input length, which 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 and earlier.

21. CVE-2017-12605 Out-of-bounds Write in OpenCV

    Published 2017-08-07

    High·CVSS 8.8 EPSS 2.0% PoC

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

22. CVE-2017-12606 Out-of-bounds Write in OpenCV

    Published 2017-08-07

    High·CVSS 8.8 EPSS 2.0% PoC

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

23. CVE-2017-12597 Out-of-bounds Write in OpenCV

    Published 2017-08-07

    High·CVSS 8.8 EPSS 2.0% PoC

    OpenCV (Open Source Computer Vision Library) through 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.

24. CVE-2017-12604 Out-of-bounds Write in OpenCV

    Published 2017-08-07

    High·CVSS 8.8 EPSS 2.0% PoC

    OpenCV (Open Source Computer Vision Library) through 3.3 has an out-of-bounds write error in the FillUniColor function in utils.cpp when reading an image file by using cv::imread.

25. CVE-2017-12599 Out-of-bounds Read in OpenCV

    Published 2017-08-07

    High·CVSS 8.8 EPSS 2.0% PoC

    OpenCV (Open Source Computer Vision Library) through 3.3 has an out-of-bounds read error in the function icvCvt_BGRA2BGR_8u_C4C3R when reading an image file by using cv::imread.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.