SOURCE FACT
Qualitia · Active! Mail
Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA notes
https://www.qualitia.com/jp/news/2025/04/18_1030.html ; https://nvd.nist.gov/vuln/detail/CVE-2025-42599
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