diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2018-02-07 16:57:27 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2018-02-08 10:01:15 +0100 |
| commit | a1c58b95bf4c5ce6edf638b8e5fc971148db7bfe (patch) | |
| tree | 0360700541a2047812991af4d31b6f5ee34fdcb2 /vcl/source | |
| parent | 37a2830387f437cf57104f7f509ec59944004e4d (diff) | |
check kern table size
Change-Id: I65b5f0a8950d54c00d6fd7c385ca1c5dca2ef2c8
Reviewed-on: https://gerrit.libreoffice.org/49382
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
Diffstat (limited to 'vcl/source')
| -rw-r--r-- | vcl/source/fontsubset/sft.cxx | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx index 76367cbc43ae..1e2215a1ae6f 100644 --- a/vcl/source/fontsubset/sft.cxx +++ b/vcl/source/fontsubset/sft.cxx @@ -1348,7 +1348,7 @@ static void GetKern(TrueTypeFont *ttf) if( !table ) goto badtable; - if (GetUInt16(table, 0) == 0) { /* Traditional Microsoft style table with sal_uInt16 version and nTables fields */ + if (nTableSize >= 4 && GetUInt16(table, 0) == 0) { /* Traditional Microsoft style table with sal_uInt16 version and nTables fields */ ttf->nkern = GetUInt16(table, 2); ptr = table + 4; @@ -1379,7 +1379,7 @@ static void GetKern(TrueTypeFont *ttf) return; } - if (GetUInt32(table, 0) == 0x00010000) { /* MacOS style kern tables: fixed32 version and sal_uInt32 nTables fields */ + if (nTableSize >= 8 && GetUInt32(table, 0) == 0x00010000) { /* MacOS style kern tables: fixed32 version and sal_uInt32 nTables fields */ ttf->nkern = GetUInt32(table, 4); ptr = table + 8; |