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-rw-r--r--src/fontfile/decompress.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/fontfile/decompress.c b/src/fontfile/decompress.c
index b1fc37b..c8171dd 100644
--- a/src/fontfile/decompress.c
+++ b/src/fontfile/decompress.c
@@ -259,6 +259,8 @@ BufCompressedFill (BufFilePtr f)
*/
while ( code >= 256 )
{
+ if (stackp - de_stack >= STACK_SIZE - 1)
+ return BUFFILEEOF;
*stackp++ = file->tab_suffix[code];
code = file->tab_prefix[code];
}