Qualitia Active! Mail: Active! Mail Stack-Based Buffer Overflow Vulnerability
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. Added to CISA KEV on 2025-04-28.
Why this severity: CVSS 9.8 (CNA, v3.0); actively exploited (CISA KEV)
- Started
- Apr 28, 2025
- Closed
- Apr 28, 2025
Affected
- See vendor advisory / CISA notes (versions not always listed in KEV feed)
Fixed in
- See vendor advisory linked in sources
Timeline1
CISA added CVE-2025-42599 to the KEV catalog (due 2025-05-19).
Advisories3
Notes & caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).
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