7.5

CVE-2019-14492: opencv Out-of-bounds Read

CVSS: 7.5v3.1HighModified
AliasesGHSA-fw99-f933-rgh8PYSEC-2026-2798PYSEC-2026-2821
Published 01-08-2019Last modified 05-08-2024

Vulnerability summary

CVE-2019-14492 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in opencv. EPSS estimates a 2.78% chance of exploitation in the next 30 days, higher than 86.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 5 · Related 4

Timeline

  1. 01-08-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

2.78%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.78% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Opencv

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

PyPI4 products
  • opencv-contrib-python< 3.4.7.28 | ≥ 4.0.0.21, < 4.1.1.26
  • opencv-contrib-python-headless< 3.4.7.28 | ≥ 4.0.0.21, < 4.1.1.26
  • opencv-python< 3.4.7.28 | ≥ 4.0.0.21, < 4.1.1.26
  • opencv-python-headless< 3.4.7.28 | ≥ 4.0.0.21, < 4.1.1.26
Debian1 product
  • opencv< 4.1.2+dfsg-3
Opencv1 product
  • opencv< 3.4.7 | ≥ 4.0.0, < 4.1.1
Opensuse1 product
Ubuntu1 product
  • opencvAll versions (No fix recorded) | < 3.2.0+dfsg-4ubuntu0.1+esm2

5 vendors · 8 products

References

15 links
Show all 15 references