[PATCH] fixed #1892

Gbp-Pq: Name CVE-2021-40563.patch

diff --git a/src/filters/reframe_nalu.c b/src/filters/reframe_nalu.c
index bcad22cf7e6e24043cad95d5520c6a65a5e84001..f672aebe72c21ef2aa13b263f2ecf31fbdd56c6d 100644 (file)
--- 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) {