I found this and thought some people here could be interested or if it helps downgraders.

improx | South Africa
Hmmm very interesting. I downloaded one of my favourite PSP mag's this month, from link . When viewing it, scrollling down below the 6th page freezes my PSP. Could this be a new buffer overflow vulnerability found in 2.5 ? +

from:
http://www.psp411.com/forum/6343/1/89333/F...rror.html#89333

mag from:
http://www.pspmagazines.com/pspm/blog.php?id=563