CVE-2018-25223 Crashmail 1.6 Stack-based Buffer Overflow Remote Code Execution

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code or cause denial of service via a stack-based buffer overflow in Crashmail.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-25223?

CVE-2018-25223 is a critical memory corruption vulnerability in Crashmail, published on 28 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Crashmail 1.6 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by sending malicious input to the application. Attackers can craft payloads with ROP chains to achieve code execution in the application context, with failed attempts potentially causing denial of service.

Weakness: CWE-787

Which versions are affected by CVE-2018-25223?

It affects 1 product.

Products include Ftnapps Crashmail Ii.

How do I fix CVE-2018-25223?

No fix has been published for CVE-2018-25223 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-25223 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25223 exists.

Sources

Also known as GHSA-p8mc-x23q-5vqf, UBUNTU-CVE-2018-25223.

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