PYSEC-2026-1752 opentelemetry-instrumentation Denial of Service vulnerability due to unbound cardinality metrics

Summary Autoinstrumentation out of the box adds the label httpmethod that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. Details HTTP method for requests can be easily set by an attacker to be random and long. PoC Send many...

AZL-33516 CVE-2023-45142 affecting package opa for versions less than 0.63.0-1

OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. A handler wrapper out of the box adds labels http.useragent and http.method that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent to it. HTTP...

UBUNTU-CVE-2023-45142

OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. A handler wrapper out of the box adds labels http.useragent and http.method that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent to it. HTTP...