CVE-2018-14404

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    CVE-2018-14404

    Published: 19 Jul 2018Last Modified: 1 Sept 2026

    Summary:

    Details: A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.

    References: https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html, https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html, https://access.redhat.com/errata/RHSA-2019:1543, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817, https://gitlab.gnome.org/GNOME/libxml2/issues/10, https://security.netapp.com/advisory/ntap-20190719-0002/, https://usn.ubuntu.com/3739-1/, https://usn.ubuntu.com/3739-2/, https://bugzilla.redhat.com/show_bug.cgi?id=1595985

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.9.8
    v2.9.8-rc1
    v2.9.7
    v2.9.7-rc1
    v2.9.6
    v2.9.6-rc1
    v2.9.5
    v2.9.5-rc2
    v2.9.5-rc1
    v2.9.4
    v2.9.4-rc2
    v2.9.4-rc1
    v2.9.3
    v2.9.2
    v2.9.2-rc2
    v2.9.2-rc1
    v2.9.1
    v2.9.0
    v2.9.0-rc2

    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