early signals oss-security infra

CVE-2026-111115: Apache Kafka: Broker OutOfMemoryError via tagged-field allocation amplification in flexible protocol request parsing

// AI summary

Apache Kafka versions 2.4.0 through 4.1.2, 4.2.0 through 4.2.1, and 4.3.0 through 4.3.1 have CVE-2026-111115, allowing a Broker OutOfMemoryError via tagged-field allocation amplification.

// from the source

Posted by Manikumar on Oct 28 Severity: important Affected versions: - Apache Kafka 2.4.0 through 4.1.2 - Apache Kafka 4.2.0 through 4.2.1 - Apache Kafka 4.3.0 through 4.3.1 Description: Apache Kafka s code-generated readers for flexible protocol versions read a tagged-field count declared by the sender and retain a RawTaggedField object for each unknown field. That count was bounded only by the outer request frame size (socket.request.max.bytes); it was not checked...
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