---
title: "CVE-2005-0592\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-2005-0592?format=md
keywords: index, follow
---

# CVE-2005-0592

Publication date 25 March 2005

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

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## Description

Heap-based buffer overflow in the UTF8ToNewUnicode function for Firefox
before 1.0.1 and Mozilla before 1.7.6 might allow remote attackers to cause
a denial of service (crash) or execute arbitrary code via invalid sequences
in a UTF8 encoded string that result in a zero length value.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mozilla | 7.04 feisty | Not in release |
| 6.10 edgy | Fixed 1.7.12-1.1ubuntu2 |
| 6.06 LTS dapper | Fixed 1.7.12-1.1ubuntu2 |
| mozilla-thunderbird | 7.04 feisty | Not affected |
| 6.10 edgy | Not affected |
| 6.06 LTS dapper | Not affected |

---

* [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-2005-0592)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2005-0592)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2005-0592)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2005-0592)

### Related Ubuntu Security Notices (USN)

+ [USN-149-3](https://usn.ubuntu.com/USN-149-3)
+ Ubuntu 4.10 update for Firefox vulnerabilities
+ 28 July 2005

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2005-0592>