CVE-2020-37178 KeePass 2.44 - Denial of Service (PoC)

Medium 4.6 Published Updated

Attackers can crash KeePass by dragging malicious HTML files into the help area, causing application instability.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-37178?

CVE-2020-37178 is a medium-severity denial of service vulnerability in KeePass Password Safe, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

KeePass Password Safe versions before 2.44 contain a denial of service vulnerability in the help system's HTML handling. Attackers can trigger the vulnerability by dragging and dropping malicious HTML files into the help area, potentially causing application instability or crash.

Weakness: CWE-94

Which versions are affected by CVE-2020-37178?

How do I fix CVE-2020-37178?

No fix has been published for CVE-2020-37178 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-37178 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37178 exists.

Sources

Also known as GHSA-r2ww-vx8x-gqmg.

Is CVE-2020-37178 in your software?

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