From: jeanlf <jeanlf@gpac.io>
Date: Wed, 1 Sep 2021 11:50:54 +0000 (+0200)
Subject: [PATCH] fixed #1905
X-Git-Tag: archive/raspbian/1.0.1+dfsg1-4+rpi1+deb11u3^2~76
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=fee862bee6b81d88495ceb1725f0b097217f56e9;p=gpac.git

[PATCH] fixed #1905


Gbp-Pq: Name CVE-2021-40575.patch
---

diff --git a/src/filters/reframe_mpgvid.c b/src/filters/reframe_mpgvid.c
index 7b13500..8fb82e7 100644
--- a/src/filters/reframe_mpgvid.c
+++ b/src/filters/reframe_mpgvid.c
@@ -760,8 +760,14 @@ GF_Err mpgviddmx_process(GF_Filter *filter)
 			mpgviddmx_enqueue_or_dispatch(ctx, dst_pck, GF_FALSE, GF_FALSE);
 		}
 
-		//parse headers
+		//not enough bytes to parse start code
+                if (remain<5) {
+                        memcpy(ctx->hdr_store, start, remain);
+                        ctx->bytes_in_header = remain;
+                        break;
+                }
 
+		//parse headers
 		//we have a start code loaded, eg the data packet does not have a full start code at the begining
 		if (sc_type_forced) {
 			gf_bs_reassign_buffer(ctx->bs, start + hdr_offset, remain - hdr_offset);