Issue #22461 has been updated by nobu (Nobuyoshi Nakada). [GH-19472](https://github.com/ruby/ruby/pull/19472) ---------------------------------------- Bug #22461: Use-after-free in `String` formatting with wide character encodings https://bugs.ruby-lang.org/issues/22461#change-119618 * Author: nobu (Nobuyoshi Nakada) * Status: Open * Backport: 3.3: REQUIRED, 3.4: REQUIRED, 4.0: REQUIRED ---------------------------------------- A heap use-after-free bug exists in Ruby's string formatting implementation (`String#%` and `Kernel#sprintf`) when processing wide character encoded strings. -- https://bugs.ruby-lang.org/