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      <title>CVE-2026-59892 — OpenTelemetry JavaScript: Denial of service in `JaegerPropagator` via unhandled exception on a malformed header</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-59892</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; open-telemetry opentelemetry-js&lt;/p&gt;
&lt;p&gt;OpenTelemetry JavaScript is the OpenTelemetry JavaScript client. Prior to 2.9.0, @opentelemetry/propagator-jaeger decodes incoming uber-trace-id and uberctx-* HTTP header values with decodeURIComponent() without handling decode errors, allowing an unauthenticated remote attacker to send a malformed percent-encoded value that throws an uncaught URIError and terminates a Node.js process using JaegerPropagator as the active propagator. This issue is fixed in version 2.9.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; open-telemetry opentelemetry-js&lt;/p&gt;
&lt;p&gt;OpenTelemetry JavaScript is the OpenTelemetry JavaScript client. Prior to 2.9.0, @opentelemetry/propagator-jaeger decodes incoming uber-trace-id and uberctx-* HTTP header values with decodeURIComponent() without handling decode errors, allowing an unauthenticated remote attacker to send a malformed percent-encoded value that throws an uncaught URIError and terminates a Node.js process using JaegerPropagator as the active propagator. This issue is fixed in version 2.9.0.&lt;/p&gt;</content:encoded>
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