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    CVE-2019-18197

    In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

    Published:Oct 18, 2019
    Last Modified:May 28, 2026
    EPS:Oct 18, 2019
    EPSS Score:0.04534
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras
    Vendor
    Xmlsoft
    Product
    Libxslt

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
    http://www.openwall.com/lists/oss-security/2019/11/17/2
    https://access.redhat.com/errata/RHSA-2020:0514
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
    https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285
    https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html
    https://security.netapp.com/advisory/ntap-20191031-0004/
    https://security.netapp.com/advisory/ntap-20200416-0004/
    https://usn.ubuntu.com/4164-1/
    https://www.oracle.com/security-alerts/cpuapr2020.html
    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html
    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html
    http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
    http://www.openwall.com/lists/oss-security/2019/11/17/2
    https://access.redhat.com/errata/RHSA-2020:0514
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
    https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285
    https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html
    https://security.netapp.com/advisory/ntap-20191031-0004/
    https://security.netapp.com/advisory/ntap-20200416-0004/
    https://usn.ubuntu.com/4164-1/
    https://www.oracle.com/security-alerts/cpuapr2020.html

    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