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8.6

Kafka may crash because of zstd-jni version 1

published 5 days ago
Summary

The Kafka software using the zstd-jni library version 1 can experience crashes or unexpected behavior. This happens when data is compressed or decompressed, potentially disrupting message processing. Upgrade the zstd-jni library to a newer release or apply the vendor's recommended patch to prevent interruptions.

What to do
  • Update cleanstart kafka to version 4.2.0-r5.
Affected software
Ecosystem VendorProductAffected versions
CleanStart cleanstart kafka < 4.2.0-r5
Fix: upgrade to 4.2.0-r5
Original advisory text
zstd-jni versions 1
Security vulnerability affects the kafka package. zstd-jni versions 1.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
8.6 High
Timeline
Published30 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2026-KT47812 · OSV
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