CVE-2025-42599

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.

Affected

QUALITIA CO., LTD. · Active! mail 6

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 JPCERT

9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

3.36% chance of exploitation in the next 30 days, 89th percentile

CISA KEV

added 2025-04-28

Published

2025-04-18

Updated

2026-02-26

Proof-of-concept exploits (1)

• kato83/poc-vulnerability-advisor0★ · 2025-09-18

Security advisories

• https://www.qualitia.com/jp/news/2025/04/18_1030.html
• https://jvn.jp/en/jp/JVN22348866

References

• CVE Record
• NVD entry

Related

• CVE-2018-7600
• CVE-2021-44228