Heap overflow

Heap-based buffer overflow in the mchexpandwildcards function in osunix.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...

vim6 -- heap-based overflow while parsing shell metacharacters

Description for CVE-2008-3432 says: Heap-based buffer overflow in the mchexpandwildcards function in osunix.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...