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[libyaml.git] / debian / patches / libyaml-string-overflow.patch
1 Description: CVE-2013-6393: yaml_parser_scan_tag_uri: fix int overflow leading to buffer overflow
2  This is a proposed patch from Florian Weimer <fweimer@redhat.com> for
3  the string overflow issue. It has been ack'd by upstream.
4 Origin: https://bugzilla.redhat.com/show_bug.cgi?id=1033990
5 Bug-RedHat: https://bugzilla.redhat.com/show_bug.cgi?id=1033990
6 Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=737076
7 Last-Update: 2014-01-29
8 ---
9 # HG changeset patch
10 # User Florian Weimer <fweimer@redhat.com>
11 # Date 1389273500 -3600
12 #      Thu Jan 09 14:18:20 2014 +0100
13 # Node ID a54d7af707f25dc298a7be60fd152001d2b3035b
14 # Parent  3e6507fa0c26d20c09f8f468f2bd04aa2fd1b5b5
15 yaml_parser_scan_tag_uri: fix int overflow leading to buffer overflow
16
17 diff --git a/src/scanner.c b/src/scanner.c
18 --- a/src/scanner.c
19 +++ b/src/scanner.c
20 @@ -2574,7 +2574,7 @@
21  
22      /* Resize the string to include the head. */
23  
24 -    while (string.end - string.start <= (int)length) {
25 +    while ((size_t)(string.end - string.start) <= length) {
26          if (!yaml_string_extend(&string.start, &string.pointer, &string.end)) {
27              parser->error = YAML_MEMORY_ERROR;
28              goto error;
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