cardinality

  1. CVE-2023-45142 OpenTelemetry Go Contrib HTTP DoS Cardinality Fix 0.44.0

    OpenTelemetry‑Go Contrib’s HTTP instrumentation contains a subtle but serious denial‑of‑service vector: unbounded cardinality in HTTP labels allows an attacker to exhaust memory through repeated requests that introduce ever‑new label values, a flaw tracked as CVE‑2023‑45142 and fixed in the...
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    • cardinality denial of service golang contrib open telemetry
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    • Forum: Security Alerts

  2. CVE-2022-21698: Preventing Prometheus promhttp Label Cardinality DoS

    The promhttp vulnerability tracked as CVE-2022-21698 exposed a surprising — yet instructive — weakness at the intersection of observability and availability: by allowing unbounded metric label values to be created from unvalidated HTTP methods, the Prometheus Go client library (client_golang)...
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    • cardinality observability prometheus security
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    • Forum: Security Alerts