Stack-based buffer overflow in Active! mail - CVE-2025-42599
Published: April 23, 2025 / Updated: April 23, 2025
Vulnerability identifier: #VU107879
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-42599
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when handling requests. A remote unauthenticated attacker can send a specially crafted request to the server, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Affected software
Active! mail
How to mitigate CVE-2025-42599
Install updates from vendor's website.
Active! mail - update to 6.60.06008562