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CVE-2020-11993

CVE-2020-11993

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.

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above "info" will mitigate this vulnerability for unpatched servers.

CVSS 7.5 · High · EPSS 56.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • apache http server

    Versions
    • 2.4.20 to 2.4.43: Affected

    No fix published

  • apache2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.4.46-1

    Update to 2.4.46-1

  • apache2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.4.46-1

    Update to 2.4.46-1

  • apache2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.4.46-1

    Update to 2.4.46-1

  • 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
    • 2.4.29-1ubuntu4.4
    • 2.4.29-1ubuntu4.5
    • 2.4.29-1ubuntu4.6
    • 2.4.29-1ubuntu4.7
    • 2.4.29-1ubuntu4.8
    • 2.4.29-1ubuntu4.10
    • 2.4.29-1ubuntu4.11
    • 2.4.29-1ubuntu4.12
    • 2.4.29-1ubuntu4.13
    Affected ranges
    • ECOSYSTEM: < 2.4.29-1ubuntu4.14

    Update to 2.4.29-1ubuntu4.14

  • apache2 Ubuntu:20.04:LTS

    Versions
    • 2.4.41-1ubuntu1
    • 2.4.41-4ubuntu1
    • 2.4.41-4ubuntu2
    • 2.4.41-4ubuntu3
    Affected ranges
    • ECOSYSTEM: < 2.4.41-4ubuntu3.1

    Update to 2.4.41-4ubuntu3.1

Original sources

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