C++: Change notes.

cpp/ql/lib/change-notes/2025-02-20-getbuffersize.md

@@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* Fixed an issue where the `getBufferSize` predicate in `commons/Buffer.qll` was returning results for references inside `offsetof` expressions, which are not accesses to a buffer.

cpp/ql/src/change-notes/2025-02-20-overflow-buffer.md

@@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* The query "Call to memory access function may overflow buffer" (`cpp/overflow-buffer`) has been added to the security-extended query suite. The query detects a range of buffer overflow and underflow issues.