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CVE-2024-43398

CVE-2024-43398 · REXML denial of service vulnerability

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

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

CVSS 5.9 · Medium · EPSS 1.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • rexml

    Versions
    • < 3.3.6: Affected

    No fix published

  • ruby3.1 Debian:12

    Versions
    • 3.1.2-7
    • 3.1.2-7+deb12u1
    • 3.1.2-7+hurd.1
    • 3.1.2-8
    • 3.1.2-8.1~exp1
    • 3.1.2-8.3
    • 3.1.2-8.4
    • 3.1.2-8.5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ruby3.3 Debian:13

    Affected ranges
    • ECOSYSTEM: < 3.3.5-1

    Update to 3.3.5-1

  • ruby3.3 Debian:14

    Affected ranges
    • ECOSYSTEM: < 3.3.5-1

    Update to 3.3.5-1

  • ruby2.3 Ubuntu:Pro:16.04:LTS

    Versions
    • 2.3.0-1
    • 2.3.0-2
    • 2.3.0-4ubuntu2
    • 2.3.0-4ubuntu3
    • 2.3.0-5ubuntu1
    • 2.3.1-2~16.04
    • 2.3.1-2~16.04.2
    • 2.3.1-2~16.04.4
    • 2.3.1-2~16.04.5
    • 2.3.1-2~16.04.6
    • 2.3.1-2~16.04.7
    • 2.3.1-2~16.04.9
    • 2.3.1-2~16.04.10
    • 2.3.1-2~16.04.11
    • 2.3.1-2~16.04.12
    • 2.3.1-2~ubuntu16.04.13
    • 2.3.1-2~ubuntu16.04.14
    • 2.3.1-2~ubuntu16.04.15
    • 2.3.1-2~ubuntu16.04.16
    • 2.3.1-2~ubuntu16.04.16+esm1
    • 2.3.1-2~ubuntu16.04.16+esm2
    • 2.3.1-2~ubuntu16.04.16+esm3
    • 2.3.1-2~ubuntu16.04.16+esm4
    • 2.3.1-2~ubuntu16.04.16+esm5
    • 2.3.1-2~ubuntu16.04.16+esm6
    • 2.3.1-2~ubuntu16.04.16+esm7
    • 2.3.1-2~ubuntu16.04.16+esm8
    • 2.3.1-2~ubuntu16.04.16+esm9
    • 2.3.1-2~ubuntu16.04.16+esm10
    • 2.3.1-2~ubuntu16.04.16+esm11
    • 2.3.1-2~ubuntu16.04.16+esm12
    • 2.3.1-2~ubuntu16.04.16+esm14
    • 2.3.1-2~ubuntu16.04.16+esm15
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ruby2.5 Ubuntu:Pro:18.04:LTS

    Versions
    • 2.5.0~preview1-1ubuntu2
    • 2.5.0-4ubuntu1
    • 2.5.0-4ubuntu4
    • 2.5.0-5ubuntu1
    • 2.5.0-6ubuntu1
    • 2.5.1-1ubuntu1
    • 2.5.1-1ubuntu1.1
    • 2.5.1-1ubuntu1.2
    • 2.5.1-1ubuntu1.4
    • 2.5.1-1ubuntu1.5
    • 2.5.1-1ubuntu1.6
    • 2.5.1-1ubuntu1.7
    • 2.5.1-1ubuntu1.8
    • 2.5.1-1ubuntu1.9
    • 2.5.1-1ubuntu1.10
    • 2.5.1-1ubuntu1.11
    • 2.5.1-1ubuntu1.12
    • 2.5.1-1ubuntu1.13
    • 2.5.1-1ubuntu1.14
    • 2.5.1-1ubuntu1.15
    • 2.5.1-1ubuntu1.16
    • 2.5.1-1ubuntu1.16+esm1
    • 2.5.1-1ubuntu1.16+esm3
    • 2.5.1-1ubuntu1.16+esm4
    • 2.5.1-1ubuntu1.16+esm5
    • 2.5.1-1ubuntu1.16+esm6
    • 2.5.1-1ubuntu1.16+esm7
    • 2.5.1-1ubuntu1.16+esm8
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • ruby2.7 Ubuntu:20.04:LTS

    Versions
    • 2.7.0-1
    • 2.7.0-2
    • 2.7.0-3
    • 2.7.0-4
    • 2.7.0-4ubuntu1
    • 2.7.0-5ubuntu1
    • 2.7.0-5ubuntu1.1
    • 2.7.0-5ubuntu1.2
    • 2.7.0-5ubuntu1.3
    • 2.7.0-5ubuntu1.4
    • 2.7.0-5ubuntu1.5
    • 2.7.0-5ubuntu1.6
    • 2.7.0-5ubuntu1.7
    • 2.7.0-5ubuntu1.8
    • 2.7.0-5ubuntu1.9
    • 2.7.0-5ubuntu1.10
    • 2.7.0-5ubuntu1.11
    • 2.7.0-5ubuntu1.12
    • 2.7.0-5ubuntu1.13
    • 2.7.0-5ubuntu1.14
    • 2.7.0-5ubuntu1.15
    Affected ranges
    • ECOSYSTEM: < 2.7.0-5ubuntu1.16

    Update to 2.7.0-5ubuntu1.16

  • ruby3.0 Ubuntu:22.04:LTS

    Versions
    • 3.0.2-5ubuntu1
    • 3.0.2-7
    • 3.0.2-7ubuntu2
    • 3.0.2-7ubuntu2.1
    • 3.0.2-7ubuntu2.2
    • 3.0.2-7ubuntu2.3
    • 3.0.2-7ubuntu2.4
    • 3.0.2-7ubuntu2.5
    • 3.0.2-7ubuntu2.6
    • 3.0.2-7ubuntu2.7
    • 3.0.2-7ubuntu2.8
    Affected ranges
    • ECOSYSTEM: < 3.0.2-7ubuntu2.10

    Update to 3.0.2-7ubuntu2.10

  • ruby3.2 Ubuntu:24.04:LTS

    Versions
    • 3.2.3-1
    • 3.2.3-1build2
    • 3.2.3-1build3
    • 3.2.3-1ubuntu0.24.04.1
    • 3.2.3-1ubuntu0.24.04.3
    Affected ranges
    • ECOSYSTEM: < 3.2.3-1ubuntu0.24.04.5

    Update to 3.2.3-1ubuntu0.24.04.5

Original sources

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