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No exploitation reportedFix available

CVE-2019-14491

No exploitation reported by the sources we read.

  • Published2019-08-01
  • Fixed in4.1.1 · 3.4.7
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2019-08-0117:15CVE publishedNVD

Versions per branch

NVD · OSV
Opencv
BranchAffectedFixed in
4.x≥ 4.0.0, < 4.1.14.1.1
3.4< 3.4.73.4.7
opencv-contrib-python
BranchAffectedFixed in
4.x≥ 4.0.0.21, < 4.1.1.264.1.1.26
3.4< 3.4.7.283.4.7.28
opencv-contrib-python-headless
BranchAffectedFixed in
4.x≥ 4.0.0.21, < 4.1.1.264.1.1.26
3.4< 3.4.7.283.4.7.28

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • opencvUbuntu:Pro:18.04:LTSall versions · fixed in 3.2.0+dfsg-4ubuntu0.1+esm2
  • opencvUbuntu:Pro:18.04:LTSall versions · fixed in 3.2.0+dfsg-4ubuntu0.1+esm3
  • opencvUbuntu:Pro:16.04:LTSall versions · fixed in 2.4.9.1+dfsg-1.5ubuntu1.1+esm1
  • opencvUbuntu:Pro:14.04:LTSall versions · fixed in 2.4.8+dfsg1-2ubuntu1.2+esm1
  • opencvSUSE:Linux Enterprise Workstation Extension 15 SP2all versions · fixed in 3.3.1-6.6.1
  • opencvSUSE:Linux Enterprise Workstation Extension 15 SP1all versions · fixed in 3.3.1-6.6.1
  • opencvSUSE:Linux Enterprise Workstation Extension 15all versions · fixed in 3.3.1-6.6.1
  • opencvSUSE:Linux Enterprise Module for Package Hub 15 SP2all versions · fixed in 3.3.1-6.6.1

9 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-14491 Red Hat Product Security11 known affected

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

    opencv-core as a component of Red Hat Enterprise Linux 7 · opencv-devel as a component of Red Hat Enterprise Linux 7 · opencv-devel-docs as a component of Red Hat Enterprise Linux 7 · +8 more

Full record on NVD

Fix

  1. Update Opencv to 4.1.1 · 3.4.7
  2. No fix planned, says the vendor Red Hat Product Security CVE-2019-14491 · 11 productsWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
2019-08-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-fm39-cw8h-3p63

Frequently asked questions

What is CVE-2019-14491?

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.

Is CVE-2019-14491 actively exploited?

Active exploitation of CVE-2019-14491 has not been confirmed. Its EPSS score was 2.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-14491?

CVE-2019-14491 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

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