diff options
Diffstat (limited to 'gnu/packages/patches/tidy-CVE-2015-5522+5523.patch')
| -rw-r--r-- | gnu/packages/patches/tidy-CVE-2015-5522+5523.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gnu/packages/patches/tidy-CVE-2015-5522+5523.patch b/gnu/packages/patches/tidy-CVE-2015-5522+5523.patch new file mode 100644 index 0000000000..7afb58aa14 --- /dev/null +++ b/gnu/packages/patches/tidy-CVE-2015-5522+5523.patch @@ -0,0 +1,36 @@ +Copied from Debian. + +From c18f27a58792f7fbd0b30a0ff50d6b40a82f940d Mon Sep 17 00:00:00 2001 +From: Geoff McLane <ubuntu@geoffair.info> +Date: Wed, 3 Jun 2015 20:26:03 +0200 +Subject: [PATCH] Issue #217 - avoid len going negative, ever... + +--- + src/lexer.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +diff --git a/src/lexer.c b/src/lexer.c +index 376a3d8..664f806 100644 +--- a/src/lexer.c ++++ b/src/lexer.c +@@ -3739,16 +3740,17 @@ static tmbstr ParseValue( TidyDocImpl* doc, ctmbstr name, + /* and prompts attributes unless --literal-attributes is set to yes */ + /* #994841 - Whitespace is removed from value attributes */ + +- if (munge && ++ /* Issue #217 - Also only if/while (len > 0) - MUST NEVER GO NEGATIVE! */ ++ if ((len > 0) && munge && + TY_(tmbstrcasecmp)(name, "alt") && + TY_(tmbstrcasecmp)(name, "title") && + TY_(tmbstrcasecmp)(name, "value") && + TY_(tmbstrcasecmp)(name, "prompt")) + { +- while (TY_(IsWhite)(lexer->lexbuf[start+len-1])) ++ while (TY_(IsWhite)(lexer->lexbuf[start+len-1]) && (len > 0)) + --len; + +- while (TY_(IsWhite)(lexer->lexbuf[start]) && start < len) ++ while (TY_(IsWhite)(lexer->lexbuf[start]) && (start < len) && (len > 0)) + { + ++start; + --len; |