libsoup/backport-CVE-2025-32909.patch
zhangpan 3aa0c04519 fix CVE-2025-32906 CVE-2025-32909 CVE-2025-32910 CVE-2025-32911 CVE-2025-32912 CVE-2025-32913
(cherry picked from commit 9bf8c22134f88cdaee0d49c9c464224d7c593ee4)
2025-04-22 16:29:21 +08:00

37 lines
1.2 KiB
Diff

From ba4c3a6f988beff59e45801ab36067293d24ce92 Mon Sep 17 00:00:00 2001
From: Patrick Griffis <pgriffis@igalia.com>
Date: Wed, 8 Jan 2025 16:30:17 -0600
Subject: [PATCH] content-sniffer: Handle sniffing resource shorter than 4
bytes
Conflict: context adaptation and modify file path adaptation: libsoup/content-sniffer/soup-content-sniffer.c->libsoup/soup-content-sniffer.c
Reference: https://gitlab.gnome.org/GNOME/libsoup/-/commit/ba4c3a6f988beff59e45801ab36067293d24ce92
---
libsoup/soup-content-sniffer.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libsoup/soup-content-sniffer.c b/libsoup/soup-content-sniffer.c
index c52d2d0..ee32971 100644
--- a/libsoup/soup-content-sniffer.c
+++ b/libsoup/soup-content-sniffer.c
@@ -227,9 +227,14 @@ sniff_mp4 (SoupContentSniffer *sniffer, SoupBuffer *buffer)
{
const char *resource = (const char *)buffer->data;
guint resource_length = MIN (512, buffer->length);
- guint32 box_size = *((guint32*)resource);
+ guint32 box_size;
guint i;
+ if (resource_length < sizeof (guint32))
+ return FALSE;
+
+ box_size = *((guint32*)resource);
+
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
box_size = ((box_size >> 24) |
((box_size << 8) & 0x00FF0000) |
--
2.48.1