CVE-2026-8484
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability3. percentile0.1%
ProductFusesource Jansi
PublishedJun 16, 2026
First seenJun 16, 2026
Weakness typeCWE-122CWE-122
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| FuseSource jansi | v ≤ 2.4.3 | — |
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