The Joomla Project is pleased to announce the immediate availability of Joomla 2.5.9. This is a security release.

Release Notes
Check the Joomla 2.5.9 Post-Release FAQs to see if there are important items and helpful hints discovered after the release.
Statistics for the 2.5.9 release:-
- Joomla 2.5.9 contains:
- 1 Security issues fixed
- 22 tracker issues fixed
Security Issues Fixed
- Low Priority – Core – Information Disclosure. More information