CVE-2026-8484 - Vulnerability Details - OpenCVE

A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS). All versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

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References

Link	Providers
https://cert.pl/en/posts/2026/06/CVE-2026-8484
https://github.com/fusesource/jansi/tree/master

History

Tue, 16 Jun 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 16 Jun 2026 11:30:00 +0000

Type	Values Removed	Values Added
Description		A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS). All versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.
Title		Heap buffer overflow in Jansi
Weaknesses		CWE-122
References		https://cert.pl/en/posts/2026/06/CVE-2026-8484 https://github.com/fusesource/jansi/tree/master
Metrics		cvssV4_0 `{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published: 2026-06-16T10:32:14.198Z

Updated: 2026-06-16T12:15:30.337Z

Reserved: 2026-05-13T14:47:20.636Z

Link: CVE-2026-8484

Vulnrichment

Updated: 2026-06-16T12:15:23.476Z

NVD

Status : Received

Published: 2026-06-16T12:16:26.730

Modified: 2026-06-16T12:16:26.730

Link: CVE-2026-8484

Redhat

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OpenCVE Enrichment

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