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    4 vulnerabilities found for reactor_core by broadcom

    CVE-2026-47863 (GCVE-0-2026-47863)

    Vulnerability from nvd – Published: 2026-08-26 23:28 – Updated: 2026-08-27 14:45
    VLAI
    Title
    Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush
    Summary
    In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.7.19 and earlier
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 14:45 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Spring Reactor Core Affected: 3.8.0 , ≤ 3.8.6 (custom)
    Affected: 0 , ≤ 3.7.19 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-47857 (GCVE-0-2026-47857)

    Vulnerability from nvd – Published: 2026-08-26 23:28 – Updated: 2026-08-27 15:07
    VLAI
    Title
    Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around
    Summary
    In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 15:07 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Spring Reactor Core Affected: 3.8.0 , ≤ 3.8.6 (custom)
    Affected: 3.5.0 , ≤ 3.7.19 (custom)
    Affected: 0 , ≤ 3.4.41 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-47863 (GCVE-0-2026-47863)

    Vulnerability from cvelistv5 – Published: 2026-08-26 23:28 – Updated: 2026-08-27 14:45
    VLAI
    Title
    Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream delivers items during an active flush
    Summary
    In Reactor Core, applications that use the Flux.bufferTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.7.19 and earlier
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 14:45 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Spring Reactor Core Affected: 3.8.0 , ≤ 3.8.6 (custom)
    Affected: 0 , ≤ 3.7.19 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-47857 (GCVE-0-2026-47857)

    Vulnerability from cvelistv5 – Published: 2026-08-26 23:28 – Updated: 2026-08-27 15:07
    VLAI
    Title
    Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around
    Summary
    In Reactor Core, applications that use the Flux.windowTimeout operator with fairBackpressure enabled are vulnerable to a Denial of Service (DoS) condition. Reactor Core 3.8.0 - 3.8.6 Reactor Core 3.5.0 - 3.7.19 Reactor Core 3.4.41 and earlier
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 15:07 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Spring Reactor Core Affected: 3.8.0 , ≤ 3.8.6 (custom)
    Affected: 3.5.0 , ≤ 3.7.19 (custom)
    Affected: 0 , ≤ 3.4.41 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2026-47857",
    "datePublished": "2026-08-26T23:28:44.743Z",
    "dateReserved": "2026-05-20T10:00:55.156Z",
    "dateUpdated": "2026-08-27T15:07:38.775Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}