CVE-2026-8484 — Heap buffer overflow in Jansi

CVE-2026-8484

Heap buffer overflow in Jansi PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
FuseSource / jansi	affected 0 through 2.4.3

CWE

CWE-122

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.