UBUNTU-CVE-2009-3720

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    UBUNTU-CVE-2009-3720

    Published: 3 Nov 2009Last Modified: 28 May 2026
    Upstream:
    CVE-2009-3720
    Aliases:
    USN-890-1
    USN-890-2
    USN-890-3

    Summary:

    Details: The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

    References: https://ubuntu.com/security/CVE-2009-3720, https://ubuntu.com/security/notices/USN-890-1, https://ubuntu.com/security/notices/USN-890-2, https://ubuntu.com/security/notices/USN-890-3, https://ubuntu.com/security/notices/USN-890-4, https://ubuntu.com/security/notices/USN-890-5, https://ubuntu.com/security/notices/USN-890-6, https://www.cve.org/CVERecord?id=CVE-2009-3720

    Affected packages

    Package

    Name: coin3

    Purl: pkg:deb/ubuntu/coin3?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.1.4~abc9f50-3
    3.1.4~abc9f50-4
    3.1.4~abc9f50-4ubuntu2
    3.1.4~abc9f50-4ubuntu2+esm1
    3.1.4~abc9f50-4ubuntu2+esm2

    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