---
title: "CVE-2011-1843\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2011-1843?format=md
keywords: index, follow
---

# CVE-2011-1843

Publication date 3 May 2011

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote
attackers to bypass intended access restrictions in opportunistic
circumstances via a TCP connection, related to improper handling of invalid
port numbers.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| tinyproxy | 15.10 wily | Not affected |
| 15.04 vivid | Ignored end of life |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not affected |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Not affected |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |
| 6.06 LTS dapper | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2011-1843?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| tinyproxy | * Upstream:   <https://banu.com/cgit/tinyproxy/diff/?id=97b9984484299b2ce72f8f4fc3706dab8a3a8439> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1843)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-1843)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-1843)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-1843)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-1843>