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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-63209

CVE-2026-63209: 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.

Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-63209] Denial of Service via integer overflow in dictionary processing

    CVE-2026-63209Source published Source updated

    Denial of Service via integer overflow in dictionary processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-823. Red Hat lists fixing advisory RHSA-2026:72492 with package nats-server2-12-main-2.12.15-0.1.hum1, podman-main-6.1.2-1.hum1, helm4-main-4.3.0-0.2.hum1, k6v1-main-1.8.1-0.1.hum1. Affected product named by the advisory: Red Hat Hardened Images.

    Related products — impact not confirmed
    • Red Hat Hardened Images
    Source-reported affected versions
    • < 1.18.7
    Source-reported fixed versions
    • nats-server2-12-main-2.12.15-0.1.hum1
    • podman-main-6.1.2-1.hum1
    • helm4-main-4.3.0-0.2.hum1
    • k6v1-main-1.8.1-0.1.hum1

    17 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.

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