CVE-2017-5957

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-14 · updated 2026-06-17
Weakness: CWE-787

Description

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.

Affected products

Virglrenderer Project Virglrenderer: before 0.6.0 — fixed in 0.6.0

How to fix

Upgrade to a fixed version: Virglrenderer Project Virglrenderer 0.6.0. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2017/02/13/3
http://www.securityfocus.com/bid/96215
https://bugzilla.redhat.com/show_bug.cgi?id=1421126
https://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e44313d86a65447f
https://security.gentoo.org/glsa/201707-06
http://www.openwall.com/lists/oss-security/2017/02/13/3
http://www.securityfocus.com/bid/96215
https://bugzilla.redhat.com/show_bug.cgi?id=1421126
https://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e44313d86a65447f
https://security.gentoo.org/glsa/201707-06

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