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6.5

IBM TS4500 Tape Library can be shut down by email

CVE-2025-36061 · published 16 days ago
Summary

An attacker who already has a valid login can send specially crafted email messages that tie up the library’s processing power, eventually making it stop responding. This denial of service affects IBM Storage TS4500 and Diamondback tape libraries running certain software versions. Apply the latest security updates and limit who can send email commands to the device.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm storage ts4500 library <= 1.12.0.3
Original advisory text
TS4500 Tape Library Denial of Service
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-770Allocation of Resources Without Limits
Timeline
Published19 Oct 2026
Updated4 Nov 2026
First seen19 Oct 2026
Sources
CVE-2025-36061 · NVD
CVE-2025-36061 · MITRE
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