CVE-2026-8484

UNKNOWN 0.0

Heap buffer overflow in Jansi

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-122
Vendor	fusesource
Product	jansi
Published	Jun 16, 2026
Last Updated	Jun 16, 2026

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Affected Versions

FuseSource / jansi

0 ≤ 2.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Michał Majchrowicz (AFINE) Marcin Wyczechowski (AFINE)