CVE-2020-37234 Internet Download Manager 6.38.12 Scheduler Buffer Overflow
Local attackers can crash Internet Download Manager by pasting oversized data into a specific field, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-37234?
CVE-2020-37234 is a medium-severity memory corruption vulnerability in Internetdownloadmanager Internet Download Manager, published on 16 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.
Weakness: CWE-120
Which versions are affected by CVE-2020-37234?
How do I fix CVE-2020-37234?
No fix has been published for CVE-2020-37234 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-2020-37234 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37234 exists.
Sources
Also known as GHSA-5wxv-f8rx-4924.