CVE-2017-18926 Information

Description

raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).

Reference

https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1 https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html https://www.debian.org/security/2020/dsa-4785 https://www.openwall.com/lists/oss-security/2017/06/07/1