libsoup/backport-Handle-sniffing-bytes-with-0-size.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

26 lines
840 B
Diff

From b0fd7e1f65049b7efdf50febe6765039de4289ed Mon Sep 17 00:00:00 2001
From: Patrick Griffis <pgriffis@igalia.com>
Date: Wed, 16 Dec 2020 15:54:32 -0600
Subject: [PATCH] Handle sniffing bytes with 0 size
---
libsoup/soup-content-sniffer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libsoup/soup-content-sniffer.c b/libsoup/soup-content-sniffer.c
index cb4255ade..cf5da7e1f 100644
--- a/libsoup/soup-content-sniffer.c
+++ b/libsoup/soup-content-sniffer.c
@@ -507,6 +507,9 @@ sniff_unknown (SoupContentSniffer *sniffer, GBytes *buffer,
guint resource_length = MIN (512, buffer->length);
guint i;
+ if (resource_length == 0)
+ return g_strdup ("application/octet-stream");
+
for (i = 0; i < G_N_ELEMENTS (types_table); i++) {
SoupContentSnifferPattern *type_row = &(types_table[i]);
--
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