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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-9563

CVE-2026-9563: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

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-2026-9563] Denial of Service via uncontrolled resource consumption in JSON parsing

    CVE-2026-9563Source published Source updated

    In Eclipse Parsson published Maven Central artifacts before version 1.1.8, the JSON parser did not enforce a default maximum on the number of characters consumed while parsing a single JSON document. Applications that parse attacker- controlled JSON can be forced to consume excessive CPU and memory by processing very large documents, including large arrays, objects, strings, numbers, whitespace, or nested structures, resulting in a denial of service. A remote attacker could exploit this by providing a very large, specially crafted JSON document. This is an Important denial of service vulnerability in Eclipse Parsson, a JSON processing library. Applications within Red Hat products that parse untrusted or attacker-controlled JSON documents are susceptible to excessive CPU and memory…

    Affected products in this advisory
    • Red Hat OpenShift AI 2.25
    • Red Hat OpenShift Dev Spaces 3.30
    • OpenShift Serverless
    • Red Hat build of Apicurio Registry 3

    3 more entries in the full advisory.

    Source-reported affected versions
    • < 1.1.8
    Source-reported fixed versions
    • rhoai/odh-trustyai-service-rhel9:1788198681
    • devspaces/openvsx-rhel9:1787759145
    • devspaces/pluginregistry-rhel9:1787759723
    • RHSA-2026:65126

    1 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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