CVE-2017-16931

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    CVE-2017-16931

    Published: 23 Nov 2017Last Modified: 7 Aug 2026

    Summary:

    Details: parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.

    References: https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html, https://www.oracle.com//security-alerts/cpujul2021.html, http://xmlsoft.org/news.html, https://bugzilla.gnome.org/show_bug.cgi?id=766956, https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    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