Read the docs
TI-2019-10804 Aliases CVE-2019-14491GHSA-fm39-cw8h-3p63

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—opencv-python (PyPI)before 3.4.7.283.4.7.28Patch availableGHSA-fm39-cw8h-3p63
—opencv-python (PyPI)4.0.0.21 to before 4.1.1.264.1.1.26Patch availableGHSA-fm39-cw8h-3p63
—opencv-python-headless (PyPI)before 3.4.7.283.4.7.28Patch availableGHSA-fm39-cw8h-3p63
—opencv-python-headless (PyPI)4.0.0.21 to before 4.1.1.264.1.1.26Patch availableGHSA-fm39-cw8h-3p63
—opencv-contrib-python (PyPI)before 3.4.7.283.4.7.28Patch availableGHSA-fm39-cw8h-3p63
—opencv-contrib-python (PyPI)4.0.0.21 to before 4.1.1.264.1.1.26Patch availableGHSA-fm39-cw8h-3p63
—opencv-contrib-python-headless (PyPI)before 3.4.7.283.4.7.28Patch availableGHSA-fm39-cw8h-3p63
—opencv-contrib-python-headless (PyPI)4.0.0.21 to before 4.1.1.264.1.1.26Patch availableGHSA-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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*before 3.4.7; 4.0.0 to before 4.1.1VulnerableOpenCV
  • cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:* Versions before 3.4.7; 4.0.0 to before 4.1.1 Vulnerable ·OpenCV

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 →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Not affected: 1 product
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-14491
  2. 2026-10-03 Alias added: GHSA-fm39-cw8h-3p63

References

  • 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
See all 34 →

Sources