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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-48042

CVE-2026-48042: 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-2026-48042] Denial of Service via deeply nested JSON objects

    CVE-2026-48042Source published Source updated

    Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O(100K) nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1. A remote attacker could exploit this vulnerability by sending deeply nested JSON objects to the affected system. This could lead to a stack overflow during the destruction of JSON objects, resulting in a Denial of Service (DoS) for the Envoy proxy. This vulnerability affects systems where Envoy is deployed and exposed to untrusted input, potentially disrupting critical proxy functionalities. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness…

    Affected products in this advisory
    • Red Hat OpenShift Service Mesh 3.0
    • Red Hat OpenShift Service Mesh 3.1
    • Red Hat OpenShift Service Mesh 3.2
    • Red Hat OpenShift Service Mesh 3.3

    1 more entries in the full advisory.

    Source-reported affected versions
    • < 1.35.11
    • < 1.36.7
    • < 1.37.3
    • < 1.38.1
    Source-reported fixed versions
    • 1.35.11
    • 1.36.7
    • 1.37.3
    • 1.38.1

    8 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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