What is CVE-2017-5957?

CVE-2017-5957 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2017-03-14.

How severe is CVE-2017-5957?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Qemu

CVE-2017-5957

Stack-based buffer overflow in the vrend_decode_set_framebuffer_state function in vrend_decode.c in virglrenderer before 926b9b3460a48f6454d8bbe9e44313d86a65447f, as used in Quick Emulator (QEMU), allows a local guest users to cause a denial of service (application crash) via the "nr_cbufs" argument.

Vulnerability class: Buffer Overflow

Published 2017-03-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.5th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security.gentoo.org/glsa/201707-06 (vendor-advisory, Third Party Advisory)
cgit.freedesktop.org/virglrenderer/commit/ (Patch, Third Party Advisory)
www.securityfocus.com/bid/96215 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2017/02/13/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, VDB Entry, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-5957?: CVE-2017-5957 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2017-03-14.
How severe is CVE-2017-5957?: Medium severity. CVSS v3 base score is 5.5 out of 10.