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CVE-2021-20185

CVE-2021-20185

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

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.

CVSS 5.3 · Medium · EPSS 1.4% · Fix available

Published
Updated

Stack: system · php

Affected products and versions

  • moodle

    Versions
    • moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16: Affected

    No fix published

  • moodle/moodle Packagist

    Versions
    • v3.5.0
    • v3.5.0-beta
    • v3.5.0-rc1
    • v3.5.1
    • v3.5.10
    • v3.5.11
    • v3.5.12
    • v3.5.13
    • v3.5.14
    • v3.5.15
    • v3.5.2
    • v3.5.3
    • v3.5.4
    • v3.5.5
    • v3.5.6
    • v3.5.7
    • v3.5.8
    • v3.5.9
    Affected ranges
    • ECOSYSTEM: ≥ 3.5, < 3.5.16

    Update to 3.5.16

  • moodle/moodle Packagist

    Versions
    • v3.8.0
    • v3.8.0-beta
    • v3.8.0-rc1
    • v3.8.1
    • v3.8.2
    • v3.8.3
    • v3.8.4
    • v3.8.5
    • v3.8.6
    Affected ranges
    • ECOSYSTEM: ≥ 3.8, < 3.8.7

    Update to 3.8.7

  • moodle/moodle Packagist

    Versions
    • v3.9.0
    • v3.9.0-beta
    • v3.9.0-rc1
    • v3.9.0-rc2
    • v3.9.0-rc3
    • v3.9.1
    • v3.9.2
    • v3.9.3
    Affected ranges
    • ECOSYSTEM: ≥ 3.9, < 3.9.4

    Update to 3.9.4

  • moodle/moodle Packagist

    Versions
    • v3.10.0
    • v3.10.0-beta
    • v3.10.0-rc1
    • v3.10.0-rc2
    Affected ranges
    • ECOSYSTEM: ≥ 3.10, < 3.10.1

    Update to 3.10.1

  • moodle Ubuntu:Pro:16.04:LTS

    Versions
    • 2.7.9+dfsg-1
    • 2.7.10+dfsg-1
    • 2.7.11+dfsg-1
    • 2.7.11+dfsg-2
    • 2.7.12+dfsg-1
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • moodle Ubuntu:Pro:18.04:LTS

    Versions
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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