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FWIW I Googled for "mark dowd signal timing sendmail vulnerability" which led me to http://lwn.net/Articles/176596/ http://lwn.net/Articles/176596/ which didn't
by haberman 15y ago
FWIW I Googled for "mark dowd signal timing sendmail vulnerability" which led me to http://lwn.net/Articles/176596/ http://lwn.net/Articles/176596/ which didn't look like the right vulnerability and gave me the impression that Mark Dowd does a lot of vulnerability research -- it seemed that finding the exact vulnerability tptacek was talking about might be more complicated than just asking him directly.