CVE-2025-42599

Known Exploited

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
EPSS 14.87% Top 10%
KEV Since 
Vendor Advisory qualitia.com
Affected: QUALITIA CO., LTD. Active! mail 6
Published at:
Updated at:

References

Link Tags
https://www.qualitia.com/jp/news/2025/04/18_1030.html vendor advisory
https://jvn.jp/en/jp/JVN22348866/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-42599?
CVE-2025-42599 has been scored as a critical severity vulnerability.
How to fix CVE-2025-42599?
To fix CVE-2025-42599, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-42599 being actively exploited in the wild?
It is confirmed that CVE-2025-42599 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-42599?
CVE-2025-42599 affects QUALITIA CO., LTD. Active! mail 6.
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