9.8CVSSCRITICAL
Description
The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or possibly execute arbitrary code via vectors related to connecting to a guest VM, which triggers a heap-based buffer overflow.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 7 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
http://lists.opensuse.org/opensuse-updates/2016-07/msg00003.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-07/msg00004.html
lists.opensuse.org
http://www.debian.org/security/2016/dsa-3596
debian.org
and 5 more references View all →
Timeline
Published
Jun 9, 2016
Last Updated
May 6, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2016-0749 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows