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-rw-r--r--vcl/source/fontsubset/sft.cxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index 5c7929b76615..7c35d3207e0d 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -1521,6 +1521,8 @@ int OpenTTFontBuffer(const void* pBuffer, sal_uInt32 nLen, sal_uInt32 facenum, T
static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t )
{
+ if (t->fsize < 4)
+ return SF_TTFORMAT;
int i;
sal_uInt32 length, tag;
sal_uInt32 tdoffset = 0; /* offset to TableDirectory in a TTC file. For TTF files is 0 */