CVE-2025-42599
CRITICAL KEVActive! mail < 6.60.05008562 - Stack-based Buffer Overflow
Title source: llmExploitation Summary
CVE-2025-42599 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added April 28, 2025.
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.
References (3)
Core 3
Core References
Third Party Advisory
https://jvn.jp/en/jp/JVN22348866/
Vendor Advisory
https://www.qualitia.com/jp/news/2025/04/18_1030.html
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42599
Scores
CVSS v3
9.8
EPSS
0.0790
EPSS Percentile
92.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
yes
Technical Impact
total
Details
CISA KEV
2025-04-28
VulnCheck KEV
2025-04-18
ENISA EUVD
EUVD-2025-11849
CWE
CWE-121
Status
published
Products (1)
qualitia/active\!_mail
< 6.60.05008562
Published
Apr 18, 2025
KEV Added
Apr 28, 2025
Tracked Since
Feb 18, 2026