35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
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From 6c650a7655dbc4b3237b17440eb52fb0f5a193cc 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: Mon, 30 Sep 2024 21:40:44 +0300
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Subject: [PATCH 08/10] ssaparse: Search for closing brace after opening brace
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Otherwise removing anything between the braces leads to out of bound writes if
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there is a closing brace before the first opening brace.
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Thanks to Antonio Morales for finding and reporting the issue.
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Fixes GHSL-2024-228
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Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3870
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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8099>
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---
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subprojects/gst-plugins-base/gst/subparse/gstssaparse.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/subprojects/gst-plugins-base/gst/subparse/gstssaparse.c b/subprojects/gst-plugins-base/gst/subparse/gstssaparse.c
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index d6fdb9c9fc..8ed0134102 100644
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--- a/subprojects/gst-plugins-base/gst/subparse/gstssaparse.c
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+++ b/subprojects/gst-plugins-base/gst/subparse/gstssaparse.c
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@@ -238,7 +238,7 @@ gst_ssa_parse_remove_override_codes (GstSsaParse * parse, gchar * txt)
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gboolean removed_any = FALSE;
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while ((t = strchr (txt, '{'))) {
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- end = strchr (txt, '}');
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+ end = strchr (t, '}');
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if (end == NULL) {
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GST_WARNING_OBJECT (parse, "Missing { for style override code");
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return removed_any;
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--
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2.47.0
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