Skip to content
6.5 Medium

CVE-2026-41726 When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending…

Description

When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending records with unique random spring.kafka.serialization.selector header values, eventually causing GC thrash and OutOfMemoryError. Affected versions: Spring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.

Affected products and versions

Product Affected versions Fixed in
Spring For Apache Kafka 4.0 4.0.0 → < 4.0.5.1 4.0.5.1
Spring For Apache Kafka 3.3 3.3.0 → < 3.3.15.1 3.3.15.1
Spring For Apache Kafka 3.2 3.2.0 → < 3.2.14 3.2.14
Spring For Apache Kafka 2.9 2.9.0 → < 2.9.14 2.9.14
Spring For Apache Kafka 2.8 2.8.0 → < 2.8.12 2.8.12

References

Timeline

  1. Published
  2. Last modified
The 6 CVEs of Spring For Apache Kafka →
Track this CVE