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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-15561

CVE-2026-15561: 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-2026-15561] OOM via missing limits in chunked trailer in EAP's Undertow

    CVE-2026-15561Source published Source updated

    A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-770. Affected Red Hat products: Red Hat JBoss Enterprise Application Platform 7.4.25; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat…

    Affected products in this advisory
    • Red Hat JBoss Enterprise Application Platform 7.4.25
    • Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
    • Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
    • Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9

    3 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • io.undertow/undertow-core:2.2.40.SP3-redhat-00001
    • eap7-activemq-artemis-0:2.16.0-22.redhat_00057.1.el7eap
    • eap7-glassfish-jsf-0:2.3.14-11.SP11_redhat_00001.1.el7eap
    • eap7-ironjacamar-0:1.5.26-2.Final_redhat_00001.1.el7eap

    43 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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