[sfnt] Ignore embedded bitmaps with zero size (#46379). * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Implement it.
diff --git a/ChangeLog b/ChangeLog
index 558a669..cc8ba89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-11-05 Werner Lemberg <wl@gnu.org>
+
+ [sfnt] Ignore embedded bitmaps with zero size (#46379).
+
+ * src/sfnt/ttsbit.c (tt_sbit_decoder_load_bit_aligned): Implement
+ it.
+
2015-11-04 Werner Lemberg <wl@gnu.org>
[truetype] Catch infinite recursion in subglyphs (#46372).
diff --git a/src/sfnt/ttsbit.c b/src/sfnt/ttsbit.c
index acc18f0..62bce3c 100644
--- a/src/sfnt/ttsbit.c
+++ b/src/sfnt/ttsbit.c
@@ -808,6 +808,12 @@
goto Exit;
}
+ if ( !line_bits || !height )
+ {
+ /* nothing to do */
+ goto Exit;
+ }
+
/* now do the blit */
/* adjust `line' to point to the first byte of the bitmap */