How severe is CVE-2019-14491?

CVE-2019-14491 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2019-14491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14491?

CVE-2019-14491 affects Opencv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14491?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-14491 published?

CVE-2019-14491 was published on 2019-08-01 and last updated on 2026-06-17.

CVE-2019-14491

CVE-2019-14491 is a high-severity vulnerability in Opencv with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 6.4
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Opencv
Published: 2019-08-01
Last modified: 2026-06-17

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.

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.
How severe is CVE-2019-14491?: CVE-2019-14491 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2019-14491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14491?: CVE-2019-14491 affects Opencv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14491?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-14491 published?: CVE-2019-14491 was published on 2019-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opencv:opencv:*:*:*:*:*:*:*:*

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