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| author | Caolán McNamara <caolanm@redhat.com> | 2021-03-24 08:51:05 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2021-03-24 16:19:36 +0100 |
| commit | 90477ff28ed3b8597ea373efc936a46b00955407 (patch) | |
| tree | cbdee8da470cde2d1e599d293d165c82ade9fae1 | |
| parent | ea5da55b83b1a570a083dced4eb276cb2ac31e77 (diff) | |
cid#1474278 Untrusted divisor
Change-Id: Ia7b399d1ccb27317c1ac7f3505f435797b8f47dd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113021
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
| -rw-r--r-- | vcl/source/fontsubset/sft.cxx | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx index abad6bd1e484..5208b46adb28 100644 --- a/vcl/source/fontsubset/sft.cxx +++ b/vcl/source/fontsubset/sft.cxx @@ -2009,6 +2009,8 @@ bool GetTTGlobalFontHeadInfo(const AbstractTrueTypeFont *ttf, int& xMin, int& yM return false; const int UPEm = ttf->unitsPerEm(); + if (UPEm == 0) + return false; xMin = XUnits(UPEm, GetInt16(table, HEAD_xMin_offset)); yMin = XUnits(UPEm, GetInt16(table, HEAD_yMin_offset)); xMax = XUnits(UPEm, GetInt16(table, HEAD_xMax_offset)); |