Stack-based buffer overflow in Qualitia Active! mail 6
Priority CRITICAL 100Exploited in the wildCWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2025-04-28CISA due date 2025-05-19
EPSS 0.03355 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2025-04-28 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2025-42599
- 2026-10-03 Alias added: GHSA-wvvm-3j2m-8rj3
References
Sources
- CVE-2025-42599 · CVE Program
- CVE-2025-42599 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-wvvm-3j2m-8rj3 · GitHub Advisory Database · CC BY 4.0
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