EIP-2026-116398

PRE-CVE

TeraCopy 2.3 - 'default.mo' Language File Integer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116398. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit targets an integer overflow vulnerability in TeraCopy 2.3 by crafting a malicious 'default.mo' language file. The PoC generates a file with a specific pattern and padding to trigger the overflow, potentially leading to arbitrary code execution or denial-of-service.

Description

TeraCopy 2.3 - 'default.mo' Language File Integer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · perldoswindows
https://www.exploit-db.com/exploits/28375

This exploit targets an integer overflow vulnerability in TeraCopy 2.3 by crafting a malicious 'default.mo' language file. The PoC generates a file with a specific pattern and padding to trigger the overflow, potentially leading to arbitrary code execution or denial-of-service.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: TeraCopy 2.27 and 2.3 beta 2
No auth needed
Prerequisites: Local access to the system where TeraCopy is installed · Ability to place a malicious 'default.mo' file in the application's language directory
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026