Buffer overflow in Qemu
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 it…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (33.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qemu
- Canonical Ubuntu_linux — versions 14.04, 16.04, 16.10
- Debian Debian_linux — versions 8.0
- Redhat Enterprise_linux — versions 7.0, 6.0
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_server — versions 6.0, 7.0
- Redhat Enterprise_linux_server_aus — versions 7.3, 7.4, 7.6
- Redhat Enterprise_linux_server_eus — versions 7.3, 7.4, 7.5
- Redhat Enterprise_linux_server_tus — versions 7.3, 7.6
- Redhat Enterprise_linux_workstation — versions 6.0, 7.0
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Patch, VDB Entry, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-7980?
- CVE-2017-7980 is a high-severity vulnerability in Qemu, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-07-25.
- How severe is CVE-2017-7980?
- High severity. CVSS v3 base score is 7.8 out of 10.