{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41078","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-16T16:43:03.176Z","datePublished":"2026-04-23T18:05:41.367Z","dateUpdated":"2026-04-23T18:52:26.466Z"},"containers":{"cna":{"title":"OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path","problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-38h3-2333-qx47","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-38h3-2333-qx47"}],"affected":[{"vendor":"open-telemetry","product":"opentelemetry-dotnet","versions":[{"version":"<= 1.6.0-rc.1","status":"affected"}]},{"vendor":"open-telemetry","product":"OpenTelemetry.Exporter.Jaeger","versions":[{"version":"<= 1.6.0-rc.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-23T18:05:41.367Z"},"descriptions":[{"lang":"en","value":"OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under high-cardinality or attacker-influenced telemetry input, this can increase memory consumption and potentially cause denial of service. There is no plan to fix this issue as OpenTelemetry.Exporter.Jaeger was deprecated in 2023."}],"source":{"advisory":"GHSA-38h3-2333-qx47","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-23T18:52:04.471326Z","id":"CVE-2026-41078","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-23T18:52:26.466Z"}}]}}