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From b4bee17b158e289e5c4c9045e64e5374ccafe068 Mon Sep 17 00:00:00 2001
From: Salvatore Bonaccorso <carnil@debian.org>
Date: Tue, 3 Jul 2018 15:54:03 +0800
Subject: [PATCH] Out-of-bounds read in htmlParseTryOrFinish (CVE-2017-8872)
https://bugzilla.gnome.org/show_bug.cgi?id=775200
Fixes bug 775200.
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Upstream-Status: Submitted
https://bug775200.bugzilla-attachments.gnome.org/attachment.cgi?id=366193
CVE: CVE-2017-8872
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
parser.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/parser.c b/parser.c
index ca9fde2..fb4c889 100644
--- a/parser.c
+++ b/parser.c
@@ -12464,7 +12464,11 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) {
}
ctxt->input->cur = BAD_CAST"";
ctxt->input->base = ctxt->input->cur;
- ctxt->input->end = ctxt->input->cur;
+ ctxt->input->end = ctxt->input->cur;
+ if (ctxt->input->buf)
+ xmlBufEmpty (ctxt->input->buf->buffer);
+ else
+ ctxt->input->length = 0;
}
}
--
2.7.4
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