[ruby-core:127200] [Ruby Bug#22461] Use-after-free in `String` formatting with wide character encodings

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