kumquat-buildroot/package/libxml2/0001-CVE-2017-8872.patch
Baruch Siach 86e027f6d3 libxml2: add security fix
CVE-2017-8872: An attackers can cause a denial of service (buffer
over-read) or information disclosure.

Patch from the upstream bug tracker.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2018-02-10 10:12:54 +01:00

34 lines
890 B
Diff

From 8b329effb610f4138e4e680f6a6867570f6d6179 Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Fri, 9 Feb 2018 10:58:11 +0200
Subject: [PATCH] CVE-2017-8872
Taken from attachment to upstream bug report comment #9.
https://bugzilla.gnome.org/show_bug.cgi?id=775200#c9
https://bugzilla.gnome.org/attachment.cgi?id=366193&action=diff
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
parser.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/parser.c b/parser.c
index 1c5e036ea265..025111067ae8 100644
--- a/parser.c
+++ b/parser.c
@@ -12467,6 +12467,10 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) {
ctxt->input->cur = BAD_CAST"";
ctxt->input->base = ctxt->input->cur;
ctxt->input->end = ctxt->input->cur;
+ if (ctxt->input->buf)
+ xmlBufEmpty (ctxt->input->buf->buffer);
+ else
+ ctxt->input->length = 0;
}
}
--
2.15.1