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    CVE-2018-17958

    Qemu has a Buffer Overflow in rtl8139_do_receive in hw/net/rtl8139.c because an incorrect integer data type is used.

    Published:Sep 26, 2018
    Last Modified:Apr 28, 2026
    EPS:Oct 9, 2018
    EPSS Score:0.00888
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhev Manager
    Vendor
    Redhat
    Product
    Virtualization
    Vendor
    Redhat
    Product
    Virtualization Manager

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
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    References

    http://www.openwall.com/lists/oss-security/2018/10/08/1
    http://www.securityfocus.com/bid/105556
    https://access.redhat.com/errata/RHSA-2019:2425
    https://access.redhat.com/errata/RHSA-2019:2553
    https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
    https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html
    https://seclists.org/bugtraq/2019/May/76
    https://usn.ubuntu.com/3826-1/
    https://www.debian.org/security/2019/dsa-4454
    http://www.openwall.com/lists/oss-security/2018/10/08/1
    http://www.securityfocus.com/bid/105556
    https://access.redhat.com/errata/RHSA-2019:2425
    https://access.redhat.com/errata/RHSA-2019:2553
    https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
    https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03269.html
    https://seclists.org/bugtraq/2019/May/76
    https://usn.ubuntu.com/3826-1/
    https://www.debian.org/security/2019/dsa-4454

    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