CVE-2025-42599Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability.
Updated under an hour ago ()
Does this affect you?
It affects QUALITIA CO., LTD. Active! mail 6 and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Apr 28, 2025; federal agencies had to remediate by May 19, 2025. Treat that date as your deadline.
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Free account, 1 product
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.
- CVSS
- 9.8 CRITICAL (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Added to CISA KEV Apr 28, 2025; federal remediation due May 19, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 3.36% (percentile 89)
- Assigned by
- jpcert
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.