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CVE-2025-47905

CVE-2025-47905

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

Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.

CVSS 5.4 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • varnish cache

    Versions
    • ≥ 0, < 6.0.14 LTS: Affected (custom)
    • ≥ 7.0.0, < 7.6.3: Affected (custom)
    • ≥ 7.7.0, < 7.7.1: Affected (custom)

    Update to 6.0.14 LTS; Update to 7.6.3; Update to 7.7.1

  • varnish Debian:12

    Versions
    • 7.1.1-1.1
    • 7.1.1-1.1+deb12u1
    • 7.1.1-1.2
    Affected ranges
    • ECOSYSTEM: < 7.1.1-2+deb12u1

    Update to 7.1.1-2+deb12u1

  • varnish Debian:13

    Affected ranges
    • ECOSYSTEM: < 7.7.0-2

    Update to 7.7.0-2

  • varnish Ubuntu:14.04:LTS

    Versions
    • 3.0.4-1ubuntu1
    • 3.0.4-1ubuntu2
    • 3.0.5-1ubuntu2
    • 3.0.5-2
    • 3.0.5-2ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • varnish Ubuntu:Pro:16.04:LTS

    Versions
    • 4.0.3-1
    • 4.1.0-1
    • 4.1.0-2
    • 4.1.1-1
    • 4.1.1-1ubuntu0.2
    • 4.1.1-1ubuntu0.2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • varnish Ubuntu:Pro:18.04:LTS

    Versions
    • 5.0.0-7.1
    • 5.2.1-1
    • 5.2.1-1ubuntu0.1
    • 5.2.1-1ubuntu0.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • varnish Ubuntu:Pro:20.04:LTS

    Versions
    • 6.1.1-1
    • 6.2.1-2
    • 6.2.1-2ubuntu0.1~esm1
    • 6.2.1-2ubuntu0.1~esm2
    • 6.2.1-2ubuntu0.1
    • 6.2.1-2ubuntu0.2
    • 6.2.1-2ubuntu0.2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • varnish Ubuntu:Pro:22.04:LTS

    Versions
    • 6.5.2-1
    • 6.6.1-1
    • 6.6.1-1ubuntu0.2
    • 6.6.1-1ubuntu0.2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • varnish Ubuntu:24.04:LTS

    Versions
    • 7.1.1-1.1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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