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[FLINK-38764] Upgrade lz4 to 1.8.1 due to security vulnerability #27326

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[FLINK-38764] Upgrade lz4 to 1.8.1 due to security vulnerability #27326

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2 changes: 1 addition & 1 deletion flink-dist/src/main/resources/META-INF/NOTICE
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Expand Up @@ -6,6 +6,7 @@ The Apache Software Foundation (http://www.apache.org/).

This project bundles the following dependencies under the Apache Software License 2.0 (http://www.apache.org/licenses/LICENSE-2.0.txt)

- at.yawk.lz4:lz4-java:1.8.1
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@Savonitar Savonitar Dec 9, 2025 •
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Btw, upstream Apache Kafka (in trunk) has already migrated to the at.yawk fork and is currently using version 1.10.1

Since the Kafka connector will eventually depend on newer Kafka clients (which use 1.10.x), maybe it is safer to align directly with 1.10.1 instead of 1.8.1?

- com.google.code.findbugs:jsr305:1.3.9
- com.ververica:frocksdbjni:8.10.0-ververica-1.0
- com.ververica:forstjni:0.1.8
Expand All @@ -17,7 +18,6 @@ This project bundles the following dependencies under the Apache Software Licens
- org.apache.commons:commons-math3:3.6.1
- org.apache.commons:commons-text:1.10.0
- org.javassist:javassist:3.24.0-GA
- org.lz4:lz4-java:1.8.0
- org.objenesis:objenesis:3.4
- org.xerial.snappy:snappy-java:1.1.10.7
- tools.profiler:async-profiler:2.9
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4 changes: 4 additions & 0 deletions flink-formats/flink-avro-confluent-registry/pom.xml
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Expand Up @@ -60,6 +60,10 @@ under the License.
<groupId>org.lz4</groupId>
<artifactId>lz4-java</artifactId>
</exclusion>
<exclusion>
<groupId>at.yawk.lz4</groupId>
<artifactId>lz4-java</artifactId>
</exclusion>
<exclusion>
<groupId>io.swagger</groupId>
<artifactId>swagger-core</artifactId>
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2 changes: 1 addition & 1 deletion flink-runtime/pom.xml
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Expand Up @@ -238,7 +238,7 @@ under the License.

<!-- Lz4 compression library -->
<dependency>
<groupId>org.lz4</groupId>
<groupId>at.yawk.lz4</groupId>
<artifactId>lz4-java</artifactId>
</dependency>

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4 changes: 2 additions & 2 deletions pom.xml
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Expand Up @@ -165,7 +165,7 @@ under the License.
<protoc.version>4.32.1</protoc.version>
<okhttp.version>3.14.9</okhttp.version>
<testcontainers.version>1.20.2</testcontainers.version>
<lz4.version>1.8.0</lz4.version>
<lz4.version>1.8.1</lz4.version>
<commons.io.version>2.15.1</commons.io.version>
<japicmp.skip>false</japicmp.skip>
<flink.convergence.phase>validate</flink.convergence.phase>
Expand Down Expand Up @@ -581,7 +581,7 @@ under the License.
</dependency>

<dependency>
<groupId>org.lz4</groupId>
<groupId>at.yawk.lz4</groupId>
<artifactId>lz4-java</artifactId>
<version>${lz4.version}</version>
</dependency>
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