From c5eb6cf3aba0af048596106ed839b4ae17ecbcb1 Mon Sep 17 00:00:00 2001 From: Nick Wellnhofer 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 --- 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