Vulnerability DatabaseCVE-2026-3196
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CVE-2026-3196
Published:June 19, 2026
Updated:August 06, 2026
An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.
Affected Packages
https://github.com/qemu/qemu.git (GITHUB):
Affected version(s) >=v10.2.0 <v10.2.2
Fix Suggestion:
Update to version v10.2.2
https://github.com/qemu/qemu.git (GITHUB):
Affected version(s) >=v10.1.0 <v10.1.5
Fix Suggestion:
Update to version v10.1.5
https://github.com/qemu/qemu.git (GITHUB):
Affected version(s) >=v8.2.0 <v10.0.9
Fix Suggestion:
Update to version v10.0.9
Related Resources (6)
https://gitlab.com/qemu-project/qemu
https://nvd.nist.gov/vuln/detail/CVE-2026-3196
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3196.json
https://bugzilla.redhat.com/show_bug.cgi?id=2443789
https://access.redhat.com/security/cve/CVE-2026-3196
https://access.redhat.com/downloads/content/package-browser/
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Integer Overflow or Wraparound
CWE-190
EPSS
Base Score:
0.14