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