ffmpeg: fix CVE-2023-47342

(From OE-Core rev: 725fe951917606fe141aab4d2f1c14617b280943)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2023-47342.patch

@@ -0,0 +1,39 @@
+From e4d5ac8d7d2a08658b3db7dd821246fe6b35381f Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Thu, 19 Oct 2023 22:07:36 +0200
+Subject: [PATCH] avformat/rtsp: Use rtsp_st->stream_index
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Fixes: out of array access
+Fixes: rtpdec_h264.c149/poc
+
+Found-by: Hardik Shah of Vehere
+Reviewed-by: Martin Storsjö <martin@martin.st>
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+
+CVE: CVE-2023-47342
+
+Upstream-Status: Backport [https://github.com/ffmpeg/FFmpeg/commit/e4d5ac8d7d2a08658b3db7dd821246fe6b35381f]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavformat/rtsp.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
+index 70c1894..d435bd0 100644
+--- a/libavformat/rtsp.c
++++ b/libavformat/rtsp.c
+@@ -406,7 +406,7 @@ static void parse_fmtp(AVFormatContext *s, RTSPState *rt,
+         if (rtsp_st->sdp_payload_type == payload_type &&
+             rtsp_st->dynamic_handler &&
+             rtsp_st->dynamic_handler->parse_sdp_a_line) {
+-            rtsp_st->dynamic_handler->parse_sdp_a_line(s, i,
++            rtsp_st->dynamic_handler->parse_sdp_a_line(s, rtsp_st->stream_index,
+                 rtsp_st->dynamic_protocol_context, line);
+         }
+     }
+--
+2.40.0

meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb

@@ -36,6 +36,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
            file://CVE-2024-31578.patch \
            file://CVE-2023-51794.patch \
            file://CVE-2023-51798.patch \
+           file://CVE-2023-47342.patch \
           "
 
 SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"