CVE-2025-42599
CVSS v3
9.8
CRITICAL
EPSS Score
8.0 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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.
CISA Known Exploited Vulnerability
- Date Added
- 2025-04-28
- Patch Due Date
- 2025-05-19
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-04-18
Frequently asked questions
What is CVE-2025-42599?
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.
Is CVE-2025-42599 actively exploited?
Yes. CVE-2025-42599 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-05-19.
What is the CVSS score for CVE-2025-42599?
CVE-2025-42599 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-42599 affecting your environment?
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