42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
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From 2838374d6ee4a0c9c4c4221ac46d5c1688f26e59 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
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Date: Tue, 1 Oct 2024 13:22:50 +0300
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Subject: [PATCH] opusdec: Set at most 64 channels to NONE position
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Thanks to Antonio Morales for finding and reporting the issue.
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Fixes GHSL-2024-116
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Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3871
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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8037>
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CVE: CVE-2024-47607
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Upstream-Status: Backport [https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/2838374d6ee4a0c9c4c4221ac46d5c1688f26e59]
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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---
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ext/opus/gstopusdec.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/ext/opus/gstopusdec.c b/ext/opus/gstopusdec.c
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index 99289fa7d2..d3f461d9a8 100644
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--- a/ext/opus/gstopusdec.c
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+++ b/ext/opus/gstopusdec.c
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@@ -440,12 +440,12 @@ gst_opus_dec_parse_header (GstOpusDec * dec, GstBuffer * buf)
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posn = gst_opus_channel_positions[dec->n_channels - 1];
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break;
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default:{
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- gint i;
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+ guint i, max_pos = MIN (dec->n_channels, 64);
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GST_ELEMENT_WARNING (GST_ELEMENT (dec), STREAM, DECODE,
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(NULL), ("Using NONE channel layout for more than 8 channels"));
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- for (i = 0; i < dec->n_channels; i++)
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+ for (i = 0; i < max_pos; i++)
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pos[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
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posn = pos;
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--
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2.30.2
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