qualitia active-mail CVE-2025-42599 is a vulnerability in Qualitia Active Mail
Published on April 18, 2025

Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability. Receiving a specially crafted request created and sent by a remote unauthenticated attacker may lead to arbitrary code execution and/or a denial-of-service (DoS) condition.

Vendor Advisory NVD

Known Exploited Vulnerability

This Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.

The following remediation steps are recommended / required by May 19, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2025-42599 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Stack Overflow Vulnerability?

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CVE-2025-42599 has been classified to as a Stack Overflow vulnerability or weakness.


Products Associated with CVE-2025-42599

You can be notified by stack.watch whenever vulnerabilities like CVE-2025-42599 are published in these products:

Qualitia Active Mail
 

What versions of Active Mail are vulnerable to CVE-2025-42599?