Author: rubygems

Unauthorized gem takeover for some gems

github.com

2025-12-302022-05-07 by rubygems

Impact Due to a bug in the yank action, it was possible for any RubyGems.org user to remove and replace certain gems even if that user was not authorized to do so. To be vulnerable, a gem needed: one or … Read more

Computational Algebraic Topology, lecture notes [pdf]

people.maths.ox.ac.uk

2025-12-302021-03-12 by rubygems

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Drop millions of allocations by using a linked list (2015)

github.com

2025-12-302021-03-12 by rubygems

drop-millions-of-allocations-by-using-a-linked-list-(2015)

Use a linked list to drop array allocations. The previous implementation would dup arrays on every call to `traverse`. This patch uses a linked list so that any block that is interested in keeping a reference to `trail` can just … Read more