CVE-1999-0863

Medium

Published: 08/11/1999(UTC)Updated: 16/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.38%

30th percentile - higher than 30% of all known CVEs

Buffer overflow in FreeBSD seyon can occur via the HOME environmental variable, -emulator argument, -modems argument, or the GUI.

An attacker could exploit this vulnerability to execute malicious code, potentially leading to system compromise.

It is recommended to update the software to the latest version to mitigate this vulnerability.

Original NVD description (English source)

Buffer overflow in FreeBSD seyon via HOME environmental variable, -emulator argument, -modems argument, or the GUI.