Vulnerability Details CVE-2026-41726
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 21.5%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-41726
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.0.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.1.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.2.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.2.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.2.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.2.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:1.3.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.0.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.1.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.2.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.3.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.4.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.15
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.16
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.17
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.5.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.6.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.7.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.8.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:2.9.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.5
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.6
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.7
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.8
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.2.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.1
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.10
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.11
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.12
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.13
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.14
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.15
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.2
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cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.3
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.4
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.5
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.6
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.7
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.8
-
cpe:2.3:a:vmware:spring_for_apache_kafka:3.3.9
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cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.0
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cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.1
-
cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.2
-
cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.3
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cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.4
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cpe:2.3:a:vmware:spring_for_apache_kafka:4.0.5