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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - vultures@jpcert.or.jp

Published

2025-04-18

Last modified

2026-02-26

Known exploited (CISA KEV)

since 2025-04-28, action due 2025-05-19: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-121

Affected products

• Active! Mail (Qualitia)
• Active Mail 6 (Qualitia Co. Ltd.)

References

• https://jvn.jp/en/jp/JVN22348866/
• https://www.qualitia.com/jp/news/2025/04/18_1030.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42599