Allocation of Resources Without Limits or Throttling Affecting strimzi-kafka-operator-0.45-topic-operator package, versions <0.45.2-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.61% (45th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-STRIMZIKAFKAOPERATOR045TOPICOPERATOR-17377233
  • published19 Jun 2026
  • disclosed12 Jun 2026

Introduced: 12 Jun 2026

NewCVE-2026-45416  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Minimos:latest strimzi-kafka-operator-0.45-topic-operator to version 0.45.2-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream strimzi-kafka-operator-0.45-topic-operator package and not the strimzi-kafka-operator-0.45-topic-operator package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode() reads the 24-bit TLS handshake length and, when the ClientHello does not fit in the first record, eagerly allocates ctx.alloc().buffer(handshakeLength) (line 161). The guard at line 140 is handshakeLength &gt; maxClientHelloLength &amp;&amp; maxClientHelloLength != 0, and the commonly-used SniHandler/AbstractSniHandler constructors (SniHandler(Mapping), SniHandler(AsyncMapping), AbstractSniHandler()) pass maxClientHelloLength=0 and handshakeTimeoutMillis=0, so the length guard is disabled and no timeout is scheduled. A 16 MiB request exceeds the default pooled chunk size and becomes a huge/unpooled allocation performed immediately. The buffer is retained in the handler until the channel closes. Versions 4.1.135.Final and 4.2.15.Final patch the issue.

CVSS Base Scores

version 3.1