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    CVE-2017-7980

    Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.

    Published:Mar 15, 2017
    Last Modified:Apr 20, 2025
    EPS:Jul 25, 2017
    EPSS Score:0.00166
    CVSS Score:7.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Qemu
    Product
    Qemu
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Virtualization

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-47337 (CVSS 3.3) — Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling …
    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…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
    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…
    CVE-2026-47332 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an intern…
    CVE-2026-47331 (CVSS 7.8) — Ubuntu Linux 6.8 contains AppArmor SAUCE patches which fail to acquire a lock when modifying a linked list. An…
    CVE-2026-47330 (CVSS 3.3) — Ubuntu Linux 6.8, 7.17 and 7.0 contain AppArmor SAUCE patches which can, under certain circumstances, use an u…

    References

    http://ubuntu.com/usn/usn-3289-1
    http://www.openwall.com/lists/oss-security/2017/04/21/1
    http://www.securityfocus.com/bid/102129
    http://www.securityfocus.com/bid/97955
    https://access.redhat.com/errata/RHSA-2017:0980
    https://access.redhat.com/errata/RHSA-2017:0981
    https://access.redhat.com/errata/RHSA-2017:0982
    https://access.redhat.com/errata/RHSA-2017:0983
    https://access.redhat.com/errata/RHSA-2017:0984
    https://access.redhat.com/errata/RHSA-2017:0988
    https://access.redhat.com/errata/RHSA-2017:1205
    https://access.redhat.com/errata/RHSA-2017:1206
    https://access.redhat.com/errata/RHSA-2017:1430
    https://access.redhat.com/errata/RHSA-2017:1441
    https://bugzilla.redhat.com/show_bug.cgi?id=1430056
    https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
    https://security.gentoo.org/glsa/201706-03
    https://support.citrix.com/article/CTX230138
    http://ubuntu.com/usn/usn-3289-1
    http://www.openwall.com/lists/oss-security/2017/04/21/1
    http://www.securityfocus.com/bid/102129
    http://www.securityfocus.com/bid/97955
    https://access.redhat.com/errata/RHSA-2017:0980
    https://access.redhat.com/errata/RHSA-2017:0981
    https://access.redhat.com/errata/RHSA-2017:0982
    https://access.redhat.com/errata/RHSA-2017:0983
    https://access.redhat.com/errata/RHSA-2017:0984
    https://access.redhat.com/errata/RHSA-2017:0988
    https://access.redhat.com/errata/RHSA-2017:1205
    https://access.redhat.com/errata/RHSA-2017:1206
    https://access.redhat.com/errata/RHSA-2017:1430
    https://access.redhat.com/errata/RHSA-2017:1441
    https://bugzilla.redhat.com/show_bug.cgi?id=1430056
    https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
    https://security.gentoo.org/glsa/201706-03
    https://support.citrix.com/article/CTX230138

    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