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CVE-2021-3518

CVE-2021-3518

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

There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact from this flaw is to confidentiality, integrity, and availability.

CVSS 8.8 · High · EPSS 21.9% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • libxml2

    Versions
    • libxml2 2.9.11: Affected

    No fix published

  • libxml2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.9.10+dfsg-6.6

    Update to 2.9.10+dfsg-6.6

  • libxml2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.9.10+dfsg-6.6

    Update to 2.9.10+dfsg-6.6

  • libxml2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.9.10+dfsg-6.6

    Update to 2.9.10+dfsg-6.6

  • libxml2 Ubuntu:Pro:14.04:LTS

    Versions
    • 2.9.1+dfsg1-3ubuntu2
    • 2.9.1+dfsg1-3ubuntu3
    • 2.9.1+dfsg1-3ubuntu4
    • 2.9.1+dfsg1-3ubuntu4.1
    • 2.9.1+dfsg1-3ubuntu4.2
    • 2.9.1+dfsg1-3ubuntu4.3
    • 2.9.1+dfsg1-3ubuntu4.4
    • 2.9.1+dfsg1-3ubuntu4.5
    • 2.9.1+dfsg1-3ubuntu4.6
    • 2.9.1+dfsg1-3ubuntu4.7
    • 2.9.1+dfsg1-3ubuntu4.8
    • 2.9.1+dfsg1-3ubuntu4.9
    • 2.9.1+dfsg1-3ubuntu4.10
    • 2.9.1+dfsg1-3ubuntu4.11
    • 2.9.1+dfsg1-3ubuntu4.12
    • 2.9.1+dfsg1-3ubuntu4.13
    • 2.9.1+dfsg1-3ubuntu4.13+esm1
    Affected ranges
    • ECOSYSTEM: < 2.9.1+dfsg1-3ubuntu4.13+esm2

    Update to 2.9.1+dfsg1-3ubuntu4.13+esm2

  • libxml2 Ubuntu:Pro:16.04:LTS

    Versions
    • 2.9.2+zdfsg1-4
    • 2.9.2+zdfsg1-4ubuntu1
    • 2.9.2+zdfsg1-4ubuntu2
    • 2.9.2+zdfsg1-4ubuntu3
    • 2.9.3+dfsg1-1
    • 2.9.3+dfsg1-1ubuntu0.1
    • 2.9.3+dfsg1-1ubuntu0.2
    • 2.9.3+dfsg1-1ubuntu0.3
    • 2.9.3+dfsg1-1ubuntu0.4
    • 2.9.3+dfsg1-1ubuntu0.5
    • 2.9.3+dfsg1-1ubuntu0.6
    • 2.9.3+dfsg1-1ubuntu0.7
    Affected ranges
    • ECOSYSTEM: < 2.9.3+dfsg1-1ubuntu0.7+esm1

    Update to 2.9.3+dfsg1-1ubuntu0.7+esm1

  • libxml2 Ubuntu:18.04:LTS

    Versions
    • 2.9.4+dfsg1-4ubuntu1
    • 2.9.4+dfsg1-5ubuntu1
    • 2.9.4+dfsg1-5ubuntu2
    • 2.9.4+dfsg1-5.1ubuntu1
    • 2.9.4+dfsg1-5.2ubuntu1
    • 2.9.4+dfsg1-6.1ubuntu1
    • 2.9.4+dfsg1-6.1ubuntu1.2
    • 2.9.4+dfsg1-6.1ubuntu1.3
    Affected ranges
    • ECOSYSTEM: < 2.9.4+dfsg1-6.1ubuntu1.4

    Update to 2.9.4+dfsg1-6.1ubuntu1.4

  • libxml2 Ubuntu:20.04:LTS

    Versions
    • 2.9.4+dfsg1-7ubuntu3
    • 2.9.4+dfsg1-7ubuntu5
    • 2.9.4+dfsg1-8ubuntu1
    • 2.9.4+dfsg1-8ubuntu2
    • 2.9.4+dfsg1-8ubuntu3
    • 2.9.10+dfsg-1ubuntu3
    • 2.9.10+dfsg-4build1
    • 2.9.10+dfsg-5
    Affected ranges
    • ECOSYSTEM: < 2.9.10+dfsg-5ubuntu0.20.04.1

    Update to 2.9.10+dfsg-5ubuntu0.20.04.1

Original sources

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