From 0013d06431ea72b0329fa627e0a25930c1cbc65d Mon Sep 17 00:00:00 2001
From: jeanlf <jeanlf@gpac.io>
Date: Mon, 30 Aug 2021 16:06:09 +0200
Subject: [PATCH] [PATCH] fixed #1892

Gbp-Pq: Name CVE-2021-40563.patch
---
 src/filters/reframe_nalu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/filters/reframe_nalu.c b/src/filters/reframe_nalu.c
index bcad22c..f672aeb 100644
--- a/src/filters/reframe_nalu.c
+++ b/src/filters/reframe_nalu.c
@@ -1414,8 +1414,10 @@ static void naludmx_queue_param_set(GF_NALUDmxCtx *ctx, char *data, u32 size, u3
 {
 	GF_List *list = NULL, *alt_list = NULL;
 	GF_AVCConfigSlot *sl;
-	u32 i, count;
-	u32 crc = gf_crc_32(data, size);
+	u32 i, count, crc;
+
+        if (!size) return;
+        crc = gf_crc_32(data, size);
 
 	if (ctx->is_hevc) {
 		switch (ps_type) {
-- 
2.30.2