fix Null Pointer dereference CVE-2022-36186

diff --git a/debian/patches/CVE-2022-36186.patch b/debian/patches/CVE-2022-36186.patch
new file mode 100644 (file)
index 0000000..c560798
--- /dev/null
+++ b/debian/patches/CVE-2022-36186.patch
@@ -0,0 +1,21 @@
+commit b43f9d1a4b4e33d08edaef6d313e6ce4bdf554d3
+Author: jeanlf <jeanlf@gpac.io>
+Date:   Tue Jul 12 19:13:03 2022 +0200
+
+    fixed #2223
+
+Index: gpac/src/filters/reframe_nalu.c
+===================================================================
+--- gpac.orig/src/filters/reframe_nalu.c
++++ gpac/src/filters/reframe_nalu.c
+@@ -1507,7 +1507,9 @@ static void naludmx_update_clli_mdcv(GF_
+ static void naludmx_set_dolby_vision(GF_NALUDmxCtx *ctx)
+ {
+       u8 dv_cfg[24];
+-
++      if (!ctx->opid)
++              return;
++              
+       switch (ctx->dv_mode) {
+       case DVMODE_NONE:
+       case DVMODE_CLEAN: