USN-3504-1

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    USN-3504-1

    Published: 5 Dec 2017Last Modified: 22 Apr 2026

    Summary: libxml2 vulnerability

    Details: Wei Lei discovered that libxml2 incorrecty handled certain parameter entities. An attacker could use this issue with specially constructed XML data to cause libxml2 to consume resources, leading to a denial of service.

    References: https://ubuntu.com/security/notices/USN-3504-1, https://ubuntu.com/security/CVE-2017-16932

    Affected packages

    Package

    Name: libxml2

    Purl: pkg:deb/ubuntu/[email protected]+dfsg1-3ubuntu4.11?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.9.1+dfsg1-3ubuntu4.11

    Affected 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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High