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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-4893

CVE-2026-4893: 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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Red Hat

1 advisory
  • Advisory severityMedium6.5

    Medium [CVE-2026-4893] Broken ECS source validation bypass

    CVE-2026-4893Source published

    Broken ECS source validation bypass. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-20. Affected package(s): dnsmasq. Resolved in Red Hat advisory RHSA-2026:20589 — 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
    • dnsmasq
    Source-reported affected versions
    • dnsmasq-0:2.85-17.el9_6.1
    • dnsmasq-0:2.90-7.el10_2
    • dnsmasq-0:2.85-18.el9_8.1
    • dnsmasq-0:2.79-36.el8_10
    Source-reported fixed versions
    • RHSA-2026:20589
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:20589 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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