Active! mail 6 BuildInfo: 6.60.05008561 and earlier contains a stack-based buffer overflow vulnerability.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Active! mail 6, a web-based email server product, is affected by a stack-based buffer overflow flaw. A remote attacker without authentication could send a specially crafted request to run arbitrary code on the server or crash the service.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- QUALITIA CO., LTD. Active! mail 6
BuildInfo: 6.60.05008561 and earlier
References 2
qualitia.com
jvn.jp
Questions about CVE-2025-42599
What does this mean?
The bug is a stack-based buffer overflow in Active! mail 6. Writing more data than a fixed-size stack buffer can hold may lead to arbitrary code execution or a denial-of-service condition on the Active! mail server.Source: jvn.jp
Am I affected, and how do I check?
Active! mail 6 with BuildInfo 6.60.05008561 and earlier is listed as affected. To check a installation, look at the BuildInfo value reported by the product.Source: jvn.jp
What should I do about it?
The facts provided do not name a fixed version or an upgrade target. Check the vendor's advisory for a patched release and apply it when available.Source: jvn.jp
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-04-28, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data
What if there's no patch?
The facts provided do not include a fix or a workaround. Limit access to the Active! mail server to trusted networks while no patch is available, and watch the vendor's advisory for a release.Source: jvn.jp