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CVE-2024-25004

HighPublished

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...

Published: Feb 9, 2024
Updated: May 15, 2025
Assigning CNA: mitre
Evidence observed: Mar 14, 2024

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.8%

Low · next 30 days

Percentile: 76.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

KiTTY 0.76.1.13 - 'Start Duplicated Session Username' Buffer OverflowExploit
DEFCESCO · windows · Mar 14, 2024

Responsible use

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