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CVE-2018-11763

CVE-2018-11763

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.

CVSS 5.9 · Medium · EPSS 50.8% · Fix available

Published
Updated

Stack: system · web

Affected products and versions

  • apache httpd

    Versions
    • 2.4.17 to 2.4.34: Affected

    No fix published

  • apache2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.35-1

    Update to 2.4.35-1

  • apache2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.35-1

    Update to 2.4.35-1

  • apache2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.35-1

    Update to 2.4.35-1

  • apache2 Ubuntu:18.04:LTS

    Versions
    • 2.4.27-2ubuntu3
    • 2.4.29-1ubuntu1
    • 2.4.29-1ubuntu2
    • 2.4.29-1ubuntu3
    • 2.4.29-1ubuntu4
    • 2.4.29-1ubuntu4.1
    • 2.4.29-1ubuntu4.2
    • 2.4.29-1ubuntu4.3
    Affected ranges
    • ECOSYSTEM: < 2.4.29-1ubuntu4.4

    Update to 2.4.29-1ubuntu4.4

Original sources

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