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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-42246

CVE-2026-42246: 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 severityHigh7.4

    High [CVE-2026-42246] Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS

    CVE-2026-42246Source published

    Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS. Red Hat rates this important (CVSS 7.4). Weakness: CWE-325. Affected package(s): ruby, ruby4, ruby4.0, ruby:3.3, ruby3, ruby:2.5. Resolved in Red Hat advisory RHSA-2026:33514 — update the affected packages (`sudo dnf update`).

    Affected products in this advisory
    • Red Hat Enterprise Linux 10.0 Extended Update Support
    • Red Hat Enterprise Linux 7 Extended Lifecycle Support
    • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

    9 more entries in the full advisory.

    Source-reported affected versions
    • ruby-0:3.0.7-162.el9_4.3
    • ruby4-0-main-4.0.0-33.4.hum1
    • ruby-0:3.0.7-167.el9_8
    • ruby4.0-0:4.0.3-35.el10_2

    8 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:33514
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:33514 (`sudo dnf update` / `yum update`).

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