diff options
Diffstat (limited to 'gnu/packages/patches/raptor2-heap-overflow.patch')
| -rw-r--r-- | gnu/packages/patches/raptor2-heap-overflow.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/raptor2-heap-overflow.patch b/gnu/packages/patches/raptor2-heap-overflow.patch new file mode 100644 index 0000000000..ce2a4516f8 --- /dev/null +++ b/gnu/packages/patches/raptor2-heap-overflow.patch @@ -0,0 +1,51 @@ +This patch addresses two heap overflow bugs in raptor2: + +http://seclists.org/oss-sec/2017/q2/424 + +Patch copied from libreoffice: + +https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1 + +From 590681e546cd9aa18d57dc2ea1858cb734a3863f Mon Sep 17 00:00:00 2001 +From: Dave Beckett <dave@dajobe.org> +Date: Sun, 16 Apr 2017 23:15:12 +0100 +Subject: [PATCH] Calcualte max nspace declarations correctly for XML writer + +(raptor_xml_writer_start_element_common): Calculate max including for +each attribute a potential name and value. + +Fixes Issues #0000617 http://bugs.librdf.org/mantis/view.php?id=617 +and #0000618 http://bugs.librdf.org/mantis/view.php?id=618 +--- + src/raptor_xml_writer.c | 7 ++++--- + 1 file changed, 4 insertions(+), 3 deletions(-) + +diff --git a/src/raptor_xml_writer.c b/src/raptor_xml_writer.c +index 693b946..0d3a36a 100644 +--- a/src/raptor_xml_writer.c ++++ b/src/raptor_xml_writer.c +@@ -181,9 +181,10 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer, + size_t nspace_declarations_count = 0; + unsigned int i; + +- /* max is 1 per element and 1 for each attribute + size of declared */ + if(nstack) { +- int nspace_max_count = element->attribute_count+1; ++ int nspace_max_count = element->attribute_count * 2; /* attr and value */ ++ if(element->name->nspace) ++ nspace_max_count++; + if(element->declared_nspaces) + nspace_max_count += raptor_sequence_size(element->declared_nspaces); + if(element->xml_language) +@@ -237,7 +238,7 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer, + } + } + +- /* Add the attribute + value */ ++ /* Add the attribute's value */ + nspace_declarations[nspace_declarations_count].declaration= + raptor_qname_format_as_xml(element->attributes[i], + &nspace_declarations[nspace_declarations_count].length); +-- +2.9.3 + |