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OpenTelemetry eBPF Instrumentation: CappedConcurrentHashMap leaks keys after removals — CVE-2026-45682

GitHub · GitHub · CVE-2026-45682

ID
CVE-2026-45682
Date
Activity
Source
GitHub
Vendor
GitHub
Threat
medium
CVSS
5.1

Summary

### Summary The custom `CappedConcurrentHashMap` introduced for Java TLS state tracking never removes keys from its insertion-order queue when entries are deleted. In long-running instrumented JVMs, repeated connection churn can therefore grow the queue without bound and exhaust heap memory. ### Details The vulnerable implementation is in…

Product

go: go.opentelemetry.io/obi

What to do

General, cautious steps (verify details in the official source):

  • Review exposure and plan remediation based on risk and environment.
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

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