CVE-2015-7874
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote...
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote attackers to execute arbitrary code via a long nickname.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote attackers to execute arbitrary code via a long nickname.
- Record
CVE-2015-7874- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote attackers to execute arbitrary code via a long nickname.
- Record
CVE-2015-7874- Updated
- 2026-11-02
EUVDEUVD-2015-7772 No score
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote attackers to execute arbitrary code via a long nickname.
- Record
EUVD-2015-7772- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j3mm-frf4-q7j3 No score
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote...
Buffer overflow in the chat server in KiTTY Portable 0.65.0.2p and earlier allows remote attackers to execute arbitrary code via a long nickname.
- Record
GHSA-j3mm-frf4-q7j3- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | KiTTY Portable 0.65.0.2p (Windows XP/7/10) - Chat Remote Buffer Overflow (SEH) | 2015-12-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-7874 is a critical vulnerability (CVSS 9.8) in Portapps Kitty Portable, published January 15, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.9%, the 96th percentile. No source names a fixed version.