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CVE-2017-12165

CVE-2017-12165

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

It was discovered that Undertow before 1.4.17, 1.3.31 and 2.0.0 processes http request headers with unusual whitespaces which can cause possible http request smuggling.

CVSS 2.6 · Low · EPSS 1.9% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • undertow

    Versions
    • 1.4.17: Affected
    • 1.3.31: Affected
    • 2.0.0: Affected

    No fix published

  • undertow Debian:14

    Versions
    • 1.3.11-1
    • 1.3.16-1
    • 1.3.19-1
    • 1.3.21-1
    • 1.3.23-1
    • 1.3.4-1
    • 1.3.5-1
    • 1.3.7-1
    • 1.4.0-1
    • 1.4.1-1
    • 1.4.18-1
    • 1.4.20-1
    • 1.4.21-1
    • 1.4.21-2
    • 1.4.22-1
    • 1.4.23-1
    • 1.4.23-2
    • 1.4.23-3
    • 1.4.25-1
    • 1.4.25-2
    • 1.4.3-1
    • 1.4.4-1
    • 1.4.6-1
    • 1.4.7-1
    • 1.4.8-1
    Affected ranges
    • ECOSYSTEM: < 2.0.23-1

    Update to 2.0.23-1

  • undertow Ubuntu:Pro:16.04:LTS

    Versions
    • 1.3.4-1
    • 1.3.5-1
    • 1.3.7-1
    • 1.3.11-1
    • 1.3.16-1
    • 1.3.16-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • undertow Ubuntu:Pro:18.04:LTS

    Versions
    • 1.4.20-1
    • 1.4.21-1
    • 1.4.22-1
    • 1.4.23-1
    • 1.4.23-2build1
    • 1.4.23-3
    • 1.4.23-3ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • undertow Ubuntu:20.04:LTS

    Affected ranges
    • ECOSYSTEM: < 2.0.23-1

    Update to 2.0.23-1

  • undertow Ubuntu:Pro:24.04:LTS

    Versions
    • 2.3.8-2
    • 2.3.8-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • undertow Ubuntu:25.10

    Versions
    • 2.3.18-1
    • 2.3.18-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • undertow Ubuntu:26.10

    Versions
    • 2.3.20-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • undertow Ubuntu:26.04:LTS

    Versions
    • 2.3.18-2
    • 2.3.20-1
    • 2.3.20-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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