OpenCV up to 4.11.x JPEG Image uninitialized variable

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7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenCV up to 4.11.x. It has been declared as problematic. Affected by this issue is some unknown functionality of the component JPEG Image Handler. The manipulation results in uninitialized variable. This vulnerability is reported as CVE-2025-53644. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OpenCV up to 4.11.x. Affected is some unknown processing of the component JPEG Image Handler. The manipulation with an unknown input leads to a uninitialized variable vulnerability. CWE is classifying the issue as CWE-457. The code uses a variable that has not been initialized, leading to unpredictable or unintended results. This is going to have an impact on availability. CVE summarizes:

OpenCV is an Open Source Computer Vision Library. Versions prior to 4.12.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.

The advisory is shared for download at securitylab.github.com. This vulnerability is traded as CVE-2025-53644 since 07/07/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 245581 (Fedora 41 : mingw-opencv (2025-d308a84c10)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.12.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch a39db41390de546d18962ee1278bd6dbb715f466 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (245581) and EUVD (EUVD-2025-21795). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Image Processing Software

Name

OpenCV

Version

License

open-source

Website

Product: https://github.com/opencv/opencv/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized variable
CWE: CWE-457 / CWE-453
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 245581
Nessus Name: Fedora 41 : mingw-opencv (2025-d308a84c10)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenCV 4.12.0
Patch: a39db41390de546d18962ee1278bd6dbb715f466

Timelineinfo

07/07/2025 CVE reserved
07/17/2025 +10 days Advisory disclosed
07/17/2025 +0 days VulDB entry created
09/11/2025 +56 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 27271
Status: Confirmed

CVE: CVE-2025-53644 (🔒)
GCVE (CVE): GCVE-0-2025-53644
GCVE (VulDB): GCVE-100-316812
EUVD: 🔒

Entryinfo

Created: 07/17/2025 20:31
Updated: 09/11/2025 22:12
Changes: 07/17/2025 20:31 (70), 07/17/2025 21:50 (1), 08/05/2025 22:04 (7), 08/08/2025 15:52 (2), 09/11/2025 22:12 (11)
Complete: 🔍
Cache ID: 216::103