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Fencer Intel
high 8.2

CVE-2019-14491 json

Out-of-bounds Read in OpenCV

published 7y ago modified last mo. also GHSA-fm39-cw8h-3p63 , PYSEC-2026-2797 , PYSEC-2026-2818 , PYSEC-2026-2836 , PYSEC-2026-720 , EUVD-2021-2195

cvss
8.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

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.

Patch / fix

  • pypi opencv-python 3.4.7.28, 4.1.1.26
  • pypi opencv-python-headless 3.4.7.28, 4.1.1.26
  • pypi opencv-contrib-python 3.4.7.28, 4.1.1.26
  • pypi opencv-contrib-python-headless 3.4.7.28, 4.1.1.26
  • opencv opencv 3.4.7, 4.1.1
  • opencv Debian 14, Debian 13, Debian 12 4.1.2+dfsg-3

debian advisories DEBIAN-CVE-2019-14491

  • opencv Ubuntu Pro 18.04 LTS 3.2.0+dfsg-4ubuntu0.1+esm2

ubuntu advisories UBUNTU-CVE-2019-14491

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • opencv SLE Workstation Extension 15 SP2, SLE Workstation Extension 15 SP1, SLE Workstation Extension 15 +3 more 3.3.1-6.6.1

suse advisories SUSE-SU-2019:3192-2SUSE-SU-2019:3192-1

  • opencv openSUSE Tumbleweed 4.5.2-2.2
  • opencv3 openSUSE Tumbleweed 3.4.10-3.3
  • opencv openSUSE Leap 15.1 3.3.1-lp151.6.3.1

opensuse advisories openSUSE-SU-2024:11115-1openSUSE-SU-2024:11116-1openSUSE-SU-2019:2671-1

Is CVE-2019-14491 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14491 updated cvss 6.2

opencv: out-of-bounds read in function cv::predictOrdered<cv::HaarEvaluator> in modules/objdetect/src/cascadedetect.hpp leads to dos

  • Red Hat Enterprise Linux 7 opencv, opencv-core, opencv-python Red Hat Enterprise Linux 8 opencv, opencv-core, opencv-contrib, python3-opencv
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 6 opencv, opencv-python
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.89% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/opencv/opencv/issues/15125 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P
OSV 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
GitHub 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi opencv-python
<3.4.7.28
>=4.0.0.21, <4.1.1.26
3.4.7.28
4.1.1.26
pypi opencv-python-headless
<3.4.7.28
>=4.0.0.21, <4.1.1.26
3.4.7.28
4.1.1.26
pypi opencv-contrib-python
<3.4.7.28
>=4.0.0.21, <4.1.1.26
3.4.7.28
4.1.1.26
pypi opencv-contrib-python-headless
<3.4.7.28
>=4.0.0.21, <4.1.1.26
3.4.7.28
4.1.1.26

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.