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Vim 'mch_expand_wildcards()' Heap Based Buffer Overflow Vulnerability

oval:org.mitre.oval:def:5987

Heap-based buffer overflow in the mch_expand_wildcards function in os_unix.c in Vim 6.2 and 6.3 allows user-assisted attackers to execute arbitrary code via shell metacharacters in filenames as demonstrated by the netrw.v3 test case.