An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1.
Priority MEDIUM 41CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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::predictOrdered<cv::HaarEvaluator> in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.
Why it matters now
EPSS 0.02891 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial opencv-python (PyPI): 3.4.7.28, 4.1.1.26opencv-python-headless (PyPI): 3.4.7.28, 4.1.1.26+2 more productsRed Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | opencv-python (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-python (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-python-headless (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-python-headless (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-contrib-python (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-contrib-python (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-contrib-python-headless (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fm39-cw8h-3p63 |
| — | opencv-contrib-python-headless (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fm39-cw8h-3p63 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- opencv-python (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fm39-cw8h-3p63
- opencv-python (PyPI) Vendor— Affected 4.0.0.21 to before 4.1.1.26 Fixed in 4.1.1.26 Patch available GHSA-fm39-cw8h-3p63
- opencv-python-headless (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fm39-cw8h-3p63
- opencv-python-headless (PyPI) Vendor— Affected 4.0.0.21 to before 4.1.1.26 Fixed in 4.1.1.26 Patch available GHSA-fm39-cw8h-3p63
- opencv-contrib-python (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fm39-cw8h-3p63
- opencv-contrib-python (PyPI) Vendor— Affected 4.0.0.21 to before 4.1.1.26 Fixed in 4.1.1.26 Patch available GHSA-fm39-cw8h-3p63
- opencv-contrib-python-headless (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fm39-cw8h-3p63
- opencv-contrib-python-headless (PyPI) Vendor— Affected 4.0.0.21 to before 4.1.1.26 Fixed in 4.1.1.26 Patch available GHSA-fm39-cw8h-3p63
Remediation
- Fix · GHSA-fm39-cw8h-3p63 opencv-python (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-python (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-python-headless (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-python-headless (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-contrib-python (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-contrib-python (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-contrib-python-headless (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fm39-cw8h-3p63 opencv-contrib-python-headless (PyPI) Fixed in 4.1.1.26 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14491
- 2026-10-03 Alias added: GHSA-fm39-cw8h-3p63
References
Advisory 5
More Opencv vulnerabilities
- TI-2023-02446 OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference CVSS 3.1HIGH 7.5
- TI-2018-05558 The validateInputImageSize function in modules/imgcodecs/src/loadsave.cpp in OpenCV 3.4.1… CVSS 3.1HIGH 7.5
- TI-2019-03524 Buffer overflow in OpenCV CVSS 3.1HIGH 8.8
- TI-2019-03525 Buffer overflow in OpenCV CVSS 3.1HIGH 8.8
- TI-2017-14661 In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not… CVSS 3.1HIGH 8.8
- TI-2017-09525 In modules/imgcodecs/src/grfmt_pxm.cpp, the length of buffer AutoBuffer _src is small… CVSS 3.1HIGH 8.8
Sources
- CVE-2019-14491 · CVE Program
- CVE-2019-14491 · NVD
- FIRST EPSS
- GHSA-fm39-cw8h-3p63 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14491 · Red Hat security data · CC BY 4.0
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