CVE-2025-42599

9.8 criticalKEVEPSS 3.4%

Critical (9.8) in Qualitia Active! Mail. In CISA KEV since 2025-04-28. EPSS 3.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CISA KEV: listed 2025-04-28, due 2025-05-19
CWE: CWE-121
Published: 2025-04-18
Modified: 2026-09-24
Record from: the NVD, synced 2026-10-19

Affected

qualitia:active\!_mail

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

Check your stack JSON