Third, I had no idea exposure was directly linked to yellow blooming. So even if I had applied your information, I may still have gotten yellow blooming while bracketing, and we'd still be having this conversation.
There is no RAW exposure problem within the RAW you linked to. Any less exposure would have resulted in a darker version of the same thing, with a lower signal-to-noise ratio. Converters often boost the saturation of certain colors, causing clipping or near-clipping of one or two color channels in the output. If its a highlight area, it can be even worse. Perhaps you are seeing a combination effect of this fact, and the converter's inability to handle exposure to the right.
My simple manual, step-by-step conversion with IRIS has colors that look normal to me. Should I post a small copy of it here? When I get home, I will post a RAW histogram so you can see that it is not clipped.
I've never seen your render, or a precise description, so I don't know what is wrong with your conversion. Your embedded JPEG is very pale, which is to be expected if you set contrast low and expose to the right.