CVE-2025-36061 TS4500 Tape Library Denial of Service
An authenticated user can cause a denial of service in IBM TS4500 Tape Libraries by sending specially crafted SMTP requests that exhaust system resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-36061?
CVE-2025-36061 is a medium-severity denial of service vulnerability in IBM Storage TS4500 Library, published on 19 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 IBM Diamondback Tape Library and IBM Storage TS4500 Library could allow an authenticated user to cause a denial of service using specially crafted SMTP requests that would consume excessive amounts of system resources.
Weakness: CWE-770
Which versions are affected by CVE-2025-36061?
How do I fix CVE-2025-36061?
No fix has been published for CVE-2025-36061 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-2025-36061 being exploited?
There is no known exploitation of CVE-2025-36061 in the wild and no public exploit code.
Sources
Also known as GHSA-c98h-2mc3-jwjp.