gh-134070: Add news entry for mimalloc out-of-bounds fix

vedant713 · vedant713 · commit bce07b258c07 · 2025-05-17T17:22:40.000-04:00
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-05-17-16-45-00.gh-issue-134070.vdhoke.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-05-17-16-45-00.gh-issue-134070.vdhoke.rst
@@ -1 +1 @@
-Fixed an out-of-bounds read in the generic implementation of ``mi_clz32`` and ``mi_ctz32`` in the integrated mimalloc allocator. This bug could occur on platforms with 64-bit `unsigned long` values. Based on upstream fix from microsoft/mimalloc.
+Fixed an out-of-bounds read in the generic implementation of ``mi_clz32`` and ``mi_ctz32`` in the integrated mimalloc allocator. This bug could occur on platforms with 64-bit ``unsigned long`` values. Based on upstream fix from microsoft/mimalloc.

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		-Fixed an out-of-bounds read in the generic implementation of ``mi_clz32`` and ``mi_ctz32`` in the integrated mimalloc allocator. This bug could occur on platforms with 64-bit `unsigned long` values. Based on upstream fix from microsoft/mimalloc.
	`1`	+Fixed an out-of-bounds read in the generic implementation of ``mi_clz32`` and ``mi_ctz32`` in the integrated mimalloc allocator. This bug could occur on platforms with 64-bit ``unsigned long`` values. Based on upstream fix from microsoft/mimalloc.