MGASA-2021-0481

CVE-2021-3778: vim: Heap-based Buffer Overflow in utf_ptr2char() Fix: patch 8.2.3409: reading beyond end of line with invalid utf-8 character When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a heap-buffer overflow occurs when running: echo "Ywp2XTCqCi4KeQpAMA==" | base64 -d > fuzz000.txt vim -u NONE -X -Z -e -s -S fuzz000.txt -c :qa!

CVE-2021-3796: vim: Use After Free in nvreplace() Fix: patch 8.2.3428: using freed memory when replacing When vim 8.2 is built with --with-features=huge --enable-gui=none and address sanitizer, a use-after-free occurs when running: LCALL=C vim -U NONE -X -Z -e -s -S poc -c :qa! with the poc file provided.