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openSUSE:Step:15-SP2
ncurses.21518
CVE-2019-17594.patch
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File CVE-2019-17594.patch of Package ncurses.21518
Based on ncurses 6.1 - patch 20191012 From: Thomas E. Dickey + check for invalid hashcode in _nc_find_type_entry and _nc_find_name_entry. + check for invalid hashcode in _nc_find_entry. --- ncurses/tinfo/comp_hash.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- ncurses/tinfo/comp_hash.c +++ ncurses/tinfo/comp_hash.c 2019-10-12 16:32:13.000000000 +0000 @@ -63,7 +63,9 @@ _nc_find_entry(const char *string, hashvalue = data->hash_of(string); - if (data->table_data[hashvalue] >= 0) { + if (hashvalue >= 0 + && (unsigned) hashvalue < data->table_size + && data->table_data[hashvalue] >= 0) { real_table = _nc_get_table(termcap); ptr = real_table + data->table_data[hashvalue]; @@ -96,7 +98,9 @@ _nc_find_type_entry(const char *string, const HashData *data = _nc_get_hash_info(termcap); int hashvalue = data->hash_of(string); - if (data->table_data[hashvalue] >= 0) { + if (hashvalue >= 0 + && (unsigned) hashvalue < data->table_size + && data->table_data[hashvalue] >= 0) { const struct name_table_entry *const table = _nc_get_table(termcap); ptr = table + data->table_data[hashvalue];
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