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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-59899

CVE-2026-59899: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-59899] Memory exhaustion in netty-codec-http (decompression bomb)

    CVE-2026-59899Source published Source updated

    Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, `HttpContentEncoder` (the superclass of the production handler `HttpContentCompressor`) maintains a per-channel `ArrayDeque` named `acceptEncodingQueue` that accumulates attacker-controlled data without any size limit. The queue is filled on the I/O thread for every inbound HTTP request and drained only when the application later writes a non-1xx response. This creates a resource exhaustion vulnerability when an attacker exploits HTTP/1.1 pipelining to flood the connection with requests faster than the application produces responses. A flaw was found in the Netty netty-codec-http component. A remote attacker can send HTTP requests containing highly compressed data. This…

    Affected products in this advisory
    • Red Hat build of Apache Camel 4.18.3 for Spring Boot 3.5.16
    • Red Hat Build of Apache Camel 4.18 for Quarkus 3.33
    • Red Hat build of Quarkus 3.27.4.SP3
    • Red Hat build of Quarkus 3.33.2.SP3

    19 more entries in the full advisory.

    Source-reported affected versions
    • < 4.1.136.Final
    • < 4.2.16.Final
    Source-reported fixed versions
    • 4.1.136
    • 4.2.16
    • netty-codec-http
    • devspaces/openvsx-rhel9:1787759145

    7 more entries in the full advisory.

    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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