TI-2024-16494 Aliases CVE-2024-25004 GHSA-ffgq-5r6g-59g7

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via…

HIGH 69CWE-787Published 2024-02-09 · Updated 2025-05-15

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01777 78th percentileScored 2026-11-07

Public exploit Yes 3 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:9bis:kitty::::::windows::*	up to 0.76.1.13	Vulnerable	9bis

cpe:2.3:a:9bis:kitty:*:*:*:*:*:windows:*:* Versions up to 0.76.1.13 Vulnerable ·9bis

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-25004
2026-10-03 Alias added: GHSA-ffgq-5r6g-59g7

References

Exploit 3

Advisory 1

http://packetstormsecurity.com/files/177032/KiTTY-0.76.1.13-Buffer-Overflows.html

Other 1

http://packetstormsecurity.com/files/177031/KiTTY-0.76.1.13-Command-Injection.html

TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
TI-2024-16493 KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via… CVSS 3.1HIGH 7.8
TI-2024-15752 KiTTY versions 0.76.1.13 and before is vulnerable to command injection via the filename… CVSS 3.1HIGH 7.8
TI-2016-02308 Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and… CVSS 3.0CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences