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CVE-2025-34127: CWE-121 Stack-based Buffer Overflow in Achat Software Achat Chat Server

Critical
VulnerabilityCVE-2025-34127cvecve-2025-34127cwe-121cwe-94
Published: Wed Jul 16 2025 (07/16/2025, 21:10:22 UTC)
Source: CVE Database V5
Vendor/Project: Achat Software
Product: Achat Chat Server

Description

A stack-based buffer overflow exists in Achat v0.150 in its default configuration. By sending a specially crafted message to the UDP port 9256, an attacker can overwrite the structured exception handler (SEH) due to insufficient bounds checking on user-supplied input leading to remote code execution.

Technical Details

Data Version
5.1
Assigner Short Name
VulnCheck
Date Reserved
2025-04-15T19:15:22.561Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 68791037a83201eaace6910b

Added to database: 7/17/2025, 3:01:11 PM

Last updated: 7/17/2025, 3:01:11 PM

Views: 1

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