What is the different between spring 2.5.6 and spring 2.5.6.SEC01

The download page on http://www.springsource.com/download/community mentions:

• spring-framework-2.5.6.SEC01
• spring-framework-2.5.6

What is the difference bet开发者_高级运维ween those two versions? Why the SEC01 numbering?

---

You may want to look at this: http://forum.springsource.org/showthread.php?t=70899

Here is the announcement link, for a security fix: http://forum.springsource.org/showthread.php?t=70912