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CVE-2026-50270

dd-trace-java: Improper parsing of W3C baggage headers may lead to DoS PUBLISHED

Description (CNA)

dd-trace-java is a Datadog APM client for Java. Prior to 1.62.0, W3C baggage extraction does not enforce DD_TRACE_BAGGAGE_MAX_ITEMS, which defaults to 64, or DD_TRACE_BAGGAGE_MAX_BYTES, which defaults to 8192, although those limits apply during baggage injection. A remote unauthenticated attacker can send a baggage HTTP header containing many comma-separated key-value pairs or a single very large value. The extraction path allocates map entries while parsing the attacker-controlled header on every request, causing unbounded CPU and memory consumption in an HTTP service where the baggage propagation style is enabled, which is the default for most affected tracers. This can cause denial of service. This issue is fixed in version 1.62.0.

Affected (CNA)

Vendor / productVersions
DataDog / dd-trace-javaaffected < 1.62.0
com.datadoghq / dd-java-agentaffected < 1.62.0

CWE

CWE-770

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.