That's not the whole picture though. Bugs exist anyway. The only practical concern is, which are practically most likely going to be used among all these bugs that yes exist and included in production.
You've described states one and two as outlined above.
Whether a bug is exploitable is an entirely separate category of unknowable, because seemingly-innocuous bugs quite often have very deep and very subtle implications that when combined with another innocuous bug, result in an RCE or PE.
Therefore, it's sensible to treat all bugs as potential threat vectors unless and until proven otherwise. Which brings us full circle: state 3, all bugs being public, is probably the safest thing because nobody can know if a bug is in state 1 or 2.
It's sensible just as it's sensible to have invulnerable immune system.
Sure, who wouldn't like to have that? Such a thing is impossible to reach starting with the same reason as Gödel's incompleteness theorem is a thing, plus a gazillion of more practical constraints.
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That's not the whole picture though. Bugs exist anyway. The only practical concern is, which are practically most likely going to be used among all these bugs that yes exist and included in production.
You've described states one and two as outlined above.
Whether a bug is exploitable is an entirely separate category of unknowable, because seemingly-innocuous bugs quite often have very deep and very subtle implications that when combined with another innocuous bug, result in an RCE or PE.
Therefore, it's sensible to treat all bugs as potential threat vectors unless and until proven otherwise. Which brings us full circle: state 3, all bugs being public, is probably the safest thing because nobody can know if a bug is in state 1 or 2.
It's sensible just as it's sensible to have invulnerable immune system.
Sure, who wouldn't like to have that? Such a thing is impossible to reach starting with the same reason as Gödel's incompleteness theorem is a thing, plus a gazillion of more practical constraints.