OSV-2026-1064 Heap-buffer-overflow in _wcsnlen

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=533963816 Crash type: Heap-buffer-overflow READ 2 Crash state: wcsnlen railreadunicodestring railreadhighcontrast...

PT-2026-64222

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=533963816 Crash type: Heap-buffer-overflow READ 2 Crash state: wcsnlen rail read unicode string rail read high contrast...