CVE-2026-6350 Openfind|MailGates/MailAudit - Stack-based Buffer Overflow

Critical 9.3 Published Updated

Unauthenticated remote attackers can execute arbitrary code via a stack-based buffer overflow in Openfind MailGates and MailAudit.

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-2026-6350?

CVE-2026-6350 is a critical memory corruption vulnerability in Openfind MailAudit, published on 16 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MailGates/MailAudit developed by Openfind has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

Weakness: CWE-121

Which versions are affected by CVE-2026-6350?

How do I fix CVE-2026-6350?

No fix has been published for CVE-2026-6350 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-2026-6350 being exploited?

There is no known exploitation of CVE-2026-6350 in the wild and no public exploit code.

Sources

Also known as GHSA-6v5j-prr3-phf9.

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