CVE-2017-5957 — Stack-based buffer overflow in the vrend_decode_set_framebuffer_state function i

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

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-03-14T14:59:00.463
• Last modified: 2026-05-13T00:24:29.033

09References

• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/02/13/3
• www.securityfocus.com — http://www.securityfocus.com/bid/96215
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1421126
• cgit.freedesktop.org — https://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e4…
• security.gentoo.org — https://security.gentoo.org/glsa/201707-06
• www.openwall.com — http://www.openwall.com/lists/oss-security/2017/02/13/3
• www.securityfocus.com — http://www.securityfocus.com/bid/96215
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1421126
• cgit.freedesktop.org — https://cgit.freedesktop.org/virglrenderer/commit/?id=926b9b3460a48f6454d8bbe9e4…
• security.gentoo.org — https://security.gentoo.org/glsa/201707-06