## OpenTelemetry Python: Unbounded memory allocation in Jaeger baggage propagation

- 種別: advisory
- 重大度: medium
- 関連技術: python
- CVE: CVE-2026-116694
- 公開日時: 2026-10-27T21:06:54.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-f5m9-jfrj-jjj7)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-f5m9-jfrj-jjj7

影響: pip:opentelemetry-propagator-jaeger <= 1.44.0 → 1.45.0
JaegerPropagator.extract() in opentelemetry-propagator-jaeger did not enforce limits when extracting inbound uberctx- baggage headers. Attacker-controlled baggage could cause unnecessary CPU work and short-lived heap allocations while processing more data than the propagator should accept. Impact Services that enable the optional Jaeger propagator and accept untrusted inbound propagation headers may experience increased per-request resource usage. This can contribute to denial-of-service risk w…