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-rw-r--r--vcl/source/glyphs/graphite_layout.cxx1
1 files changed, 1 insertions, 0 deletions
diff --git a/vcl/source/glyphs/graphite_layout.cxx b/vcl/source/glyphs/graphite_layout.cxx
index 8b19c31eeec7..72e48c96fc34 100644
--- a/vcl/source/glyphs/graphite_layout.cxx
+++ b/vcl/source/glyphs/graphite_layout.cxx
@@ -591,6 +591,7 @@ gr_segment * GraphiteLayout::CreateSegment(ImplLayoutArgs& rArgs)
}
size_t numchars = gr_count_unicode_characters(gr_utf16, rArgs.mpStr + mnSegCharOffset,
rArgs.mpStr + (rArgs.mnLength > limit + 64 ? limit + 64 : rArgs.mnLength), NULL);
+ if (rArgs.mnMinCharPos + numchars > limit) numchars = limit - rArgs.mnMinCharPos; // fdo#52540
if (mpFeatures)
pSegment = gr_make_seg(mpFont, mpFace, 0, mpFeatures->values(), gr_utf16,
rArgs.mpStr + mnSegCharOffset, numchars, bRtl);