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ffmpeg-4.changes Changed

ffmpeg-4.spec Changed

0001-avfilter-af_stereowiden-Check-length.patch Added

@@ -0,0 +1,29 @@
+From 50f0f8c53c818f73fe2d752708e2fa9d2a2d8a07 Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Sat, 23 Dec 2023 04:03:01 +0100
+Subject: PATCH avfilter/af_stereowiden: Check length
+References: https://bugzilla.opensuse.org/1223437
+References: CVE-2023-51794
+
+Fixes: out of array access
+Fixes: tickets/10746/poc13ffmpeg
+
+Found-by: Zeng Yunxiang
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+---
+ libavfilter/af_stereowiden.c |    2 ++
+ 1 file changed, 2 insertions(+)
+
+Index: ffmpeg-4.4.4/libavfilter/af_stereowiden.c
+===================================================================
+--- ffmpeg-4.4.4.orig/libavfilter/af_stereowiden.c
++++ ffmpeg-4.4.4/libavfilter/af_stereowiden.c
+@@ -75,6 +75,8 @@ static int config_input(AVFilterLink *in
+ 
+     s->length = s->delay * inlink->sample_rate / 1000;
+     s->length *= 2;
++    if (s->length == 0)
++        return AVERROR(EINVAL);
+     s->buffer = av_calloc(s->length, sizeof(*s->buffer));
+     if (!s->buffer)
+         return AVERROR(ENOMEM);

Changes of Revision 3