An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1.
Priority LOW 38CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-125 and the CVSS impact.
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/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.
Why it matters now
EPSS 0.03015 87th 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: 3 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-fw99-f933-rgh8 |
| — | opencv-python (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-python-headless (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-python-headless (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-contrib-python (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-contrib-python (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-contrib-python-headless (PyPI) | before 3.4.7.28 | 3.4.7.28 | Patch available | GHSA-fw99-f933-rgh8 |
| — | opencv-contrib-python-headless (PyPI) | 4.0.0.21 to before 4.1.1.26 | 4.1.1.26 | Patch available | GHSA-fw99-f933-rgh8 |
- — 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-fw99-f933-rgh8
- opencv-python (PyPI) Vendor— Affected 4.0.0.21 to before 4.1.1.26 Fixed in 4.1.1.26 Patch available GHSA-fw99-f933-rgh8
- opencv-python-headless (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fw99-f933-rgh8
- 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-fw99-f933-rgh8
- opencv-contrib-python (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fw99-f933-rgh8
- 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-fw99-f933-rgh8
- opencv-contrib-python-headless (PyPI) Vendor— Affected before 3.4.7.28 Fixed in 3.4.7.28 Patch available GHSA-fw99-f933-rgh8
- 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-fw99-f933-rgh8
Remediation
- Fix · GHSA-fw99-f933-rgh8 opencv-python (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-python (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-python-headless (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-python-headless (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-contrib-python (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-contrib-python (PyPI) Fixed in 4.1.1.26 Advisory →
- Fix · GHSA-fw99-f933-rgh8 opencv-contrib-python-headless (PyPI) Fixed in 3.4.7.28 Advisory →
- Fix · GHSA-fw99-f933-rgh8 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 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14492
- 2026-10-03 Alias added: GHSA-fw99-f933-rgh8
References
Sources
- CVE-2019-14492 · CVE Program
- CVE-2019-14492 · NVD
- FIRST EPSS
- GHSA-fw99-f933-rgh8 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14492 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences