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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc b/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc
index ef552e16890..1361f8c5dcc 100644
--- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc
+++ b/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.cc
@@ -123,6 +123,9 @@ bool ReadCollectionFont(Buffer* file, const uint8_t* data, size_t len,
(*all_tables)[table.offset] = font->FindTable(table.tag);
} else {
table.reuse_of = (*all_tables)[table.offset];
+ if (table.tag != table.reuse_of->tag) {
+ return FONT_COMPRESSION_FAILURE();
+ }
}
}