[Japanese]

JVNDB-2025-000027

Active! mail vulnerable to stack-based buffer overflow

Overview

Active! mail provided by QUALITIA CO., LTD. contains a stack-based buffer overflow vulnerability (CWE-121).

The developer states that attacks exploiting the vulnerability has been observed.

QUALITIA CO., LTD. reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and QUALITIA CO., LTD. coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 9.8 (Critical) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


QUALITIA CO., LTD.
  • Active! mail 6 BuildInfo 6.60.05008561 and earlier

Impact

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.
Solution

[Update the Software]
Update the software according to the information provided by the developer.
The developer has released the following version to address this vulnerability.
  • Active! mail 6 BuildInfo: 6.60.06008562
Vendor Information

QUALITIA CO., LTD.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-42599
References

  1. JVN : JVN#22348866
  2. IPA SECURITY ALERTS : Security Alert for Vulnerability in Active! mail (JVN#22348866) (in Japanese)
  3. JPCERT : JPCERT-AT-2025-0010 (in Japanese)
Revision History

  • [2025/04/18]
      Web page was published

Date Public2025/04/18
Date First Published2025/04/18
Date Last Updated2025/04/18