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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-59980

CVE-2026-59980: 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 severityMedium5.3

    Medium [CVE-2026-59980] Denial of Service via malformed HTTP/2 header encoding

    CVE-2026-59980Source published Source updated

    Denial of Service via malformed HTTP/2 header encoding. Red Hat rates this low (CVSS 5.3). Weakness: CWE-770. Affected products named by the advisory: Migration Toolkit for Containers; Red Hat Ansible Automation Platform 2; Red Hat OpenShift AI (RHOAI); Red Hat OpenStack Platform 17.1; and 1 more.

    Related products — impact not confirmed
    • Migration Toolkit for Containers
    • Red Hat Ansible Automation Platform 2
    • Red Hat OpenShift AI (RHOAI)
    • Red Hat OpenStack Platform 17.1

    1 more entries in the full advisory.

    Source-reported affected versions
    • < 4.2.0
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • Sanitize input to hpack decoder for long sequences of `0xFF` values to prevent malicious use.
    Full advisory and evidenceOpen source bulletin

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