Vulnerability in jansi library

CERT Polska has received a report about vulnerability in FuseSource jansi library and participated in coordination of its disclosure.

The vulnerabilityCVE-2026-8484: A heap buffer overflow vulnerability exists in the jansi JNI (Java Native Interface)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.

We thank MichaÅ Majchrowicz and Marcin Wyczechowski (AFINE Team) for the responsible vulnerability report.

Original source

Tushar Subhra Dutta

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Vulnerability in jansi library

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