diff --git a/third_party/libopenjpeg20/bio.c b/third_party/libopenjpeg20/bio.c | |
index e4edb3724..e51d0e2b4 100644 | |
--- a/third_party/libopenjpeg20/bio.c | |
+++ b/third_party/libopenjpeg20/bio.c | |
@@ -162,6 +162,8 @@ OPJ_UINT32 opj_bio_read(opj_bio_t *bio, OPJ_UINT32 n) { | |
OPJ_UINT32 i; | |
OPJ_UINT32 v; | |
v = 0; | |
+ if (n > 32) | |
+ n = 32; | |
for (i = n - 1; i < n; i--) { | |
v += opj_bio_getbit(bio) << i; | |
} |