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From d9bcffd6cd5e8ec32889a594f7348d67a5101b3a Mon Sep 17 00:00:00 2001
From: Changqing Li <changqing.li@windriver.com>
Date: Mon, 12 May 2025 13:58:42 +0800
Subject: [PATCH] Fix heap buffer overflow in
soup-content-sniffer.c:sniff_feed_or_html()
CVE: CVE-2025-32053
Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libsoup/-/commit/eaed42ca8d40cd9ab63764e3d63641180505f40a]
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
libsoup/soup-content-sniffer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libsoup/soup-content-sniffer.c b/libsoup/soup-content-sniffer.c
index 967ec61..5f2896e 100644
--- a/libsoup/soup-content-sniffer.c
+++ b/libsoup/soup-content-sniffer.c
@@ -620,7 +620,7 @@ skip_insignificant_space (const char *resource, int *pos, int resource_length)
(resource[*pos] == '\x0D')) {
*pos = *pos + 1;
- if (*pos > resource_length)
+ if (*pos >= resource_length)
return TRUE;
}
@@ -682,7 +682,7 @@ sniff_feed_or_html (SoupContentSniffer *sniffer, SoupBuffer *buffer)
do {
pos++;
- if (pos > resource_length)
+ if ((pos + 1) > resource_length)
goto text_html;
} while (resource[pos] != '>');
--
2.34.1
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