CVE-2019-5063

Publication date 3 January 2020

Last updated 1 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An exploitable heap buffer overflow vulnerability exists in the data structure persistence functionality of OpenCV 4.1.0. A specially crafted XML file can cause a buffer overflow, resulting in multiple heap corruptions and potential code execution. An attacker can provide a specially crafted file to trigger this vulnerability.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
opencv	22.04 LTS jammy	Not affected
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Not affected
	19.10 eoan	Ignored end of life
	19.04 disco	Ignored end of life
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

ccdm94

in bionic and earlier, functions fixed by commit are in file modules/core/src/persistence.cpp instead of the ones presented in the upstream patch. However, upstream reports that versions 3.4.8 and older are not affected, due to code refactoring. See: https://github.com/opencv/ opencv/issues/15857.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
opencv	Upstream: f42d539

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H