CVE-2026-50271
CVE-2026-50271 · dd-trace-py: Improper parsing of W3C baggage headers may lead to DoS
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Cette page présente une partie des faits des sources. Consultez les avis liés pour la description complète et les versions concernées.
Datadog dd-trace-py is the Datadog Python APM client. Prior to 4.8.2, Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing DD_TRACE_BAGGAGE_MAX_ITEMS or DD_TRACE_BAGGAGE_MAX_BYTES limits on the extract path. A remote, unauthenticated attacker can send a request whose baggage header contains an arbitrarily large number of comma-separated key-value pairs or a single very large value, causing unbounded CPU and memory consumption and enabling a remote denial of service against HTTP services with baggage propagation enabled. This issue is fixed in version 4.8.2.
CVSS 7.5 · Élevée · EPSS 0,8% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: python
Produits et versions concernés
dd-trace-py
- Versions du logiciel
- < 4.8.2: Concernée
Aucun correctif publié
ddtrace PyPI
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Mettez à jour vers 4.8.2
Sources originales
- https://github.com/DataDog/dd-trace-py/security/advisories/GHSA-mw54-j2v2-42hr
- https://github.com/DataDog/dd-trace-py/pull/17926
- https://github.com/DataDog/dd-trace-py/commit/9c80faa3dcfe238d008c3b3cd0b8e5dfef0aa4cd
- https://github.com/DataDog/dd-trace-py/releases/tag/v4.8.2
- https://nvd.nist.gov/vuln/detail/CVE-2026-50271