If you can make software do something that the developers didn't intend for it to do, I'd call that exploiting a bug. But why is this classified as a security vulnerability? @Luke Dashjr nostr:note1ahdy5z49l6mkm6tu7nca7n2xgkdwrde4fz0vuwzdjxgr5asgghaqklhmmf 

 It's being actively exploited as a denial of service attack on the Bitcoin blockchain, significantly impacting availability and long-term usability.