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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-48779

CVE-2026-48779: 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 severityHigh7.5

    High [CVE-2026-48779] Denial of Service via memory exhaustion from small WebSocket fragments

    CVE-2026-48779Source published Source updated

    ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to (but not including) 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally small fragments and data chunks, with modest network traffic, to force the remote peer into allocating and holding structural wrappers that consume far more memory than the default documented message-size limit, leading to process termination due to OOM. This issue has been fixed in versions 5.2.5, 6.2.4, 7.5.11, and 8.21.0. This action forces the affected component to allocate and hold structural wrappers that consume excessive memory. Consequently, this leads to process termination and a…

    Affected products in this advisory
    • Cryostat 4 on RHEL 9
    • Red Hat AMQ Broker 7.13.6
    • Red Hat AMQ Broker 7.14.1
    • Red Hat Enterprise Linux 10

    33 more entries in the full advisory.

    Source-reported affected versions
    • 1.1.0
    • 6.0.0
    • 7.0.0
    • 8.0.0
    Source-reported fixed versions
    • 5.2.5
    • 6.2.4
    • 7.5.11
    • 8.21.0

    46 more entries in the full advisory.

    Mitigation guidance
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
    Full advisory and evidenceOpen source bulletin

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