High severity · published Aug 1, 2019
CVE-2019-14491
An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1
8.2
CVSS
2.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opencv · Opencv
before 3.4.7; 4.0.0 before 4.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-14491
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-14491
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00025.html
Third Party Advisory
https://github.com/opencv/opencv/compare/33b765d...4a7ca5a
Third Party Advisory
https://github.com/opencv/opencv/compare/371bba8...ddbd10c
Exploit
https://github.com/opencv/opencv/issues/15125
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPFLN6QAX6SUA4XR4NMKKXX26H3TYCVQ/
More from Opencv
9.8
CVE-2025-53644
OpenCV is an Open Source Computer Vision Library
8.8
CVE-2019-5064
An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV, before version 4.2.0
8.8
CVE-2019-5063
An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV 4.1.0
8.8
CVE-2017-1000450
In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not check the input length, which can lead to integer overflow
8.8
CVE-2017-12864
In opencv/modules/imgcodecs/src/grfmt_pxm.cpp, function ReadNumber did not checkout the input length, which lead to integer overflow