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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-34043

CVE-2026-34043: 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 severityMedium5.9

    Medium [CVE-2026-34043] Denial of Service via specially crafted array-like object serialization

    CVE-2026-34043Source published

    Denial of Service via specially crafted array-like object serialization. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-835. Affected package(s): openshift4/ose-networking-console-plugin-rhel9:1778256287, dotnet8.0, openshift4/ose-networking-console-plugin-rhel9:1778644858, openshift4/ose-networking-console-plugin-rhel9:1779256322, openshift4/ose-networking-console-plugin-rhel9:1782211435, openshift4/ose-networking-console-plugin-rhel9:1778532500. Resolved in Red Hat advisory RHSA-2026:21291 — update the affected packages (`sudo dnf update`).

    Related products — impact not confirmed
    • Red Hat Enterprise Linux 9
    • Red Hat Enterprise Linux 1
    • Red Hat Enterprise Linux 8
    • openshift4/ose-networking-console-plugin-rhel9:1778256287

    5 more entries in the full advisory.

    Source-reported affected versions
    • openshift4/ose-networking-console-plugin-rhel9:1778256287
    • dotnet8.0-0:8.0.127-1.el9_8
    • dotnet8.0-0:8.0.127-1.el10_0
    • openshift4/ose-networking-console-plugin-rhel9:1778644858

    7 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:21291
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:21291 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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