---
title: "CVE-2007-2835\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-2007-2835?format=md
keywords: index, follow
---

# CVE-2007-2835

Publication date 3 July 2007

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

Multiple stack-based buffer overflows in (1) CCE\_pinyin.c and (2)
xl\_pinyin.c in ImmModules/cce/ in unicon-imc2 3.0.4, as used by zhcon and
other applications, allow local users to gain privileges via a long HOME
environment variable.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| unicon | 9.10 karmic | Fixed 3.0.4-12 |
| 9.04 jaunty | Fixed 3.0.4-12 |
| 8.10 intrepid | Fixed 3.0.4-12 |
| 8.04 LTS hardy | Fixed 3.0.4-12 |
| 7.10 gutsy | Fixed 3.0.4-12 |
| 7.04 feisty | Ignored end of life, was needed |
| 6.10 edgy | Ignored end of life, was needed |
| 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2835)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-2835)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-2835)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2007-2835)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2007-2835>