Software component issue could make the service unavailable
A public security advisory describes this issue. Review the linked source for the technical details and remediation guidance.
What happened
- IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to a denial of service to Digital Certificate Manager (DCM) for System TLS using applications attempting to create secure network connections. A bad actor could use this to prevent a service from starting or cause it to fallback to non-secure connections.Security Advisory CVE-2026-107674
- IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to a denial of service to Digital Certificate Manager (DCM) for System TLS using applications attempting to create secure network connections. A bad actor could use this to prevent a service from starting or cause it to fallback to non-secure connections.Advisory description (CVE-2026-107674)
Contributing factors stated by the source
- IBM i 7.3, 7.4, 7.5, and 7.6 is vulnerable to a denial of service to Digital Certificate Manager (DCM) for System TLS using applications attempting to create secure network connections. A bad actor could use this to prevent a service from starting or cause it to fallback to non-secure connections.
The failure pattern
Watch the pattern: Retry amplification and runaway resource consumption
Related standards
CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.
Building something similar?
Describe your design and see every precedent that applies, with safeguards you can hand to your coding agent.
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Design reference: AWS guidance on timeouts, retries and backoff with jitter
AWS describes retries as powerful but dangerous: when a dependency is struggling, too many retries can amplify load and turn a partial failure into a retry storm.
Software component issue could make the service unavailable
A public security advisory describes this issue. Review the linked source for the technical details and remediation guidance.
Software component issue could make the service unavailable
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Software component issue could make the service unavailable
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