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From c5eb6cf3aba0af048596106ed839b4ae17ecbcb1 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sat, 27 Apr 2019 11:19:48 +0200
Subject: [PATCH] Fix uninitialized read of xsl:number token
Found by OSS-Fuzz.
CVE: CVE-2019-13117
Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1]
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
---
libxslt/numbers.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libxslt/numbers.c b/libxslt/numbers.c
index 89e1f668..75c31eba 100644
--- a/libxslt/numbers.c
+++ b/libxslt/numbers.c
@@ -382,7 +382,10 @@ xsltNumberFormatTokenize(const xmlChar *format,
tokens->tokens[tokens->nTokens].token = val - 1;
ix += len;
val = xmlStringCurrentChar(NULL, format+ix, &len);
- }
+ } else {
+ tokens->tokens[tokens->nTokens].token = (xmlChar)'0';
+ tokens->tokens[tokens->nTokens].width = 1;
+ }
} else if ( (val == (xmlChar)'A') ||
(val == (xmlChar)'a') ||
(val == (xmlChar)'I') ||
--
2.21.0
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