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Vulnerability details: VCID-jr8q-eaze-8yff
Vulnerability ID VCID-jr8q-eaze-8yff
Aliases CVE-2019-5064
GHSA-q799-q27x-vp7w
Summary An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV, before version 4.2.0. A specially crafted JSON file can cause a buffer overflow, resulting in multiple heap corruptions and potentially code execution. An attacker can provide a specially crafted file to trigger this vulnerability.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (6)
CWE-122 Heap-based Buffer Overflow
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787 Out-of-bounds Write
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5064.json
epss 0.02639 https://api.first.org/data/v1/epss?cve=CVE-2019-5064
epss 0.02639 https://api.first.org/data/v1/epss?cve=CVE-2019-5064
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-q799-q27x-vp7w
cvssv3.1 8.8 https://github.com/opencv/opencv/issues/15857
generic_textual HIGH https://github.com/opencv/opencv/issues/15857
cvssv3.1 8.8 https://github.com/opencv/opencv-python
generic_textual HIGH https://github.com/opencv/opencv-python
cvssv3.1 8.8 https://github.com/opencv/opencv-python/releases/tag/32
generic_textual HIGH https://github.com/opencv/opencv-python/releases/tag/32
cvssv3.1 8.8 https://github.com/opencv/opencv/releases/tag/4.2.0
generic_textual HIGH https://github.com/opencv/opencv/releases/tag/4.2.0
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-5064
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-5064
cvssv3.1 8.8 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0853
generic_textual HIGH https://talosintelligence.com/vulnerability_reports/TALOS-2019-0853
cvssv3.1 8.8 https://www.oracle.com/security-alerts/cpuApr2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuApr2021.html
cvssv3.1 8.8 https://www.oracle.com//security-alerts/cpujul2021.html
generic_textual HIGH https://www.oracle.com//security-alerts/cpujul2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5064.json
https://api.first.org/data/v1/epss?cve=CVE-2019-5064
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5064
https://github.com/opencv/opencv/issues/15857
https://github.com/opencv/opencv-python
https://github.com/opencv/opencv-python/releases/tag/32
https://github.com/opencv/opencv/releases/tag/4.2.0
https://nvd.nist.gov/vuln/detail/CVE-2019-5064
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0853
1790059 https://bugzilla.redhat.com/show_bug.cgi?id=1790059
948180 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948180
GHSA-q799-q27x-vp7w https://github.com/advisories/GHSA-q799-q27x-vp7w
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5064.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencv/opencv/issues/15857
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

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unchanged

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high

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencv/opencv-python
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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none

required

unchanged

changed

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencv/opencv-python/releases/tag/32
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

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high

low

none

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low

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencv/opencv/releases/tag/4.2.0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5064
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://talosintelligence.com/vulnerability_reports/TALOS-2019-0853
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpuApr2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.oracle.com//security-alerts/cpujul2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.8604
EPSS Score 0.02639
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:27:31.964093+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0