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    CVE-2019-19344

    There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.

    Published:Jan 21, 2020
    Last Modified:Jan 14, 2025
    EPS:Jan 21, 2020
    EPSS Score:0.01747
    CVSS Score:6.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Samba
    Product
    Samba
    Vendor
    Synology
    Product
    Directory Server
    Vendor
    Synology
    Product
    Diskstation Manager
    Vendor
    Synology
    Product
    Router Manager
    Vendor
    Synology
    Product
    Skynas

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344
    https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/
    https://security.gentoo.org/glsa/202003-52
    https://security.netapp.com/advisory/ntap-20200122-0001/
    https://usn.ubuntu.com/4244-1/
    https://www.samba.org/samba/security/CVE-2019-19344.html
    https://www.synology.com/security/advisory/Synology_SA_20_01
    http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344
    https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/
    https://security.gentoo.org/glsa/202003-52
    https://security.netapp.com/advisory/ntap-20200122-0001/
    https://usn.ubuntu.com/4244-1/
    https://www.samba.org/samba/security/CVE-2019-19344.html
    https://www.synology.com/security/advisory/Synology_SA_20_01

    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