From d9bcffd6cd5e8ec32889a594f7348d67a5101b3a Mon Sep 17 00:00:00 2001 From: Changqing Li 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 --- 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