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Patch-Source: http://nginx.org/download/patch.2018.mp4.txt
--- a/src/http/modules/ngx_http_mp4_module.c
+++ b/src/http/modules/ngx_http_mp4_module.c
@@ -942,6 +942,13 @@ ngx_http_mp4_read_atom(ngx_http_mp4_file
atom_size = ngx_mp4_get_64value(atom_header + 8);
atom_header_size = sizeof(ngx_mp4_atom_header64_t);
+ if (atom_size < sizeof(ngx_mp4_atom_header64_t)) {
+ ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
+ "\"%s\" mp4 atom is too small:%uL",
+ mp4->file.name.data, atom_size);
+ return NGX_ERROR;
+ }
+
} else {
ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
"\"%s\" mp4 atom is too small:%uL",
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