CVE-2025-42599: Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability
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.
Other sources
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.
— CISA
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Discontinue use of Qualitia Active! Mail (mail 6 BuildInfo: 6.60.05008561 and earlier) if vendor mitigations are unavailable.
- Compensating control
Follow applicable BOD 22-01 guidance for cloud services to implement cloud-specific mitigations and protections for Qualitia Active! Mail deployments.
Event History
Frequently Asked Questions
What is the severity of CVE-2025-42599?
CVE-2025-42599 has a high severity due to its potential for arbitrary code execution and denial-of-service conditions.
How do I fix CVE-2025-42599?
To fix CVE-2025-42599, update Active! mail to a version later than 6.60.05008561.
What causes CVE-2025-42599?
CVE-2025-42599 is caused by a stack-based buffer overflow vulnerability when handling specially crafted requests.
Who is affected by CVE-2025-42599?
Users of Active! mail versions 6.60.05008561 and earlier are affected by CVE-2025-42599.
What types of attacks can exploit CVE-2025-42599?
CVE-2025-42599 can be exploited by remote unauthenticated attackers to execute arbitrary code or cause a denial-of-service.