multiple implementations denial-of-service via hash algorithm collision
http://www.nruns.com/\_downloads/advisory28122011.pdf
The problem affect several programming languages. Separate bug reports are/will be filed as patches will become available from the vendors.
Please close this bug when all affected products are patched.
(from redmine: issue id 917, created on 2012-01-06, closed on 2012-05-07)