CVE-2016-9846

medium
Published 2016-12-29 · Modified 2026-05-06
CVSS v3
6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS v2
4.9
VIR risk
6.5

Description

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

Predictions

Exploit likelihood
65%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9846

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-9846.html

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed1:2.8+dfsg-1
debian debianbullseyefixed1:2.8+dfsg-1
debian debianforkyfixed1:2.8+dfsg-1
debian debiansidfixed1:2.8+dfsg-1
debian debiantrixiefixed1:2.8+dfsg-1

Application impact

VendorProductVersionsFixed
qemuqemu{"endIncluding":"2.7.1"}
qemuqemu2.8.0

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.