CVE-2026-17177 IBM Db2 Mirror for i is affected by multiple vulnerabilities

High 7.5 Published 14 Aug 2026 Updated 17 Aug 2026

A remote attacker can cause a denial of service in IBM Db2 Mirror for i through uncontrolled recursion, requiring a patch to mitigate.

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-2026-17177?

CVE-2026-17177 is a high-severity denial of service vulnerability in IBM Db2 Mirror for i, published on 14 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to cause a denial of service due to uncontrolled recursion.

Weakness: CWE-674

Which versions are affected by CVE-2026-17177?

It affects 1 product.

Products include Ibm Db2 Mirror for I.

How do I fix CVE-2026-17177?

No fix has been published for CVE-2026-17177 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-2026-17177 being exploited?

There is no known exploitation of CVE-2026-17177 in the wild and no public exploit code.

Sources

Also known as GHSA-4rrg-j4q4-2vmw.