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authorCaolán McNamara <caolanm@redhat.com>2018-02-08 17:38:59 +0000
committerCaolán McNamara <caolanm@redhat.com>2018-02-09 10:16:01 +0000
commitbb32616bdd6e3b327654bab0e1d790d8d50b893d (patch)
treeed4f0928e344f2984aba36f23ad7b73f2625d699 /vcl/source/fontsubset
parentc7b0117f26a386c98a721ff3897479c268103d74 (diff)
bounds check
Change-Id: I6d32a6b6f1dd91db42a3f154700ea55603f0e4dd
Diffstat (limited to 'vcl/source/fontsubset')
-rw-r--r--vcl/source/fontsubset/sft.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index a00fe2a7b779..d2423c3dcc89 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -1502,7 +1502,7 @@ static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t )
if (Version != 0x00010000 && Version != 0x00020000) {
return SF_TTFORMAT;
}
- if (facenum >= GetUInt32(t->ptr, 8)) {
+ if (!withinBounds(8, 0, sizeof(sal_uInt32), t->fsize) || facenum >= GetUInt32(t->ptr, 8)) {
return SF_FONTNO;
}
if (withinBounds(12, 4 * facenum, sizeof(sal_uInt32), t->fsize)) {