CVE-2024-25004: 9bis Kitty

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization (at line 2600). This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution.

Affected products

  • 9bis Kitty: up to and including 0.76.1.13

Published 2024-02-09. Last modified 2026-06-17.