FYI…upgrade incentive:

Mozilla / Mozilla Firefox / Mozilla Thunderbird libpng Vulnerabilities
- http://secunia.com/advisories/12232/
"Secunia Advisory: SA12232
Release Date: 2004-08-05
Critical: Highly critical
Impact: DoS, System access
Where: From remote
….
Solution:
This has been fixed in the following versions:
* Mozilla 1.7.2
* Firefox 0.9.3
* Thunderbird 0.7.3 …"

Upgrades available, released Aug 4, 2004:
- Mozilla 1.7.2: http://www.mozilla.org/releases/
- Firefox 0.9.3: http://www.mozilla.org/products/firefox/releases/0.9.3.html
- Thunderbird 0.7.3: http://www.mozilla.org/products/thunderbird/

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